Diving Archives

August 12, 2023August 12, 2023

Diver Certification Equivalences

Have you ever wondered how diving training courses can be compared between diving training organizations? Are you uncertain if your “advanced diver” certification meets the dive center’s criteria for evidence?

Different terminology to say the same thing from different agencies

Although dive training organizations aim to train excellent divers, they may use different terms to convey the same message. Knowing equivalent ratings will help determine how your certification compares to other organizations. It will also inform you if you have the requirements for a course, especially if you have a certificate from one dive training organization and want to take a subsequent course with another.

Lately, we have received numerous calls and emails from individuals seeking confirmation regarding comparable ratings offered by different organizations. In response, we have created a table that outlines the equivalent ratings provided by three agencies listed under the WRSTC – SDI (Scuba Diving International), SSI (Scuba Schools International), and PADI (Professional Association of Diving Instructors).

On the chart below, you will see every dive training organization; their certifications are listed below. You can easily compare the ratings between different dive training organizations. If a certificate is not equivalent to the other organizations, the field will display “not applicable.”

Compare diver certifications with the equivalency chart (PADI, SDI, SSI)

PADI	SDI	SSI
Skin Diver	Snorkeler	Snorkel Diver
Discover Scuba Diver	Scuba Discovery	TRY SCUBA DIVING
Bubble Maker	Future Buddies	Scuba Rangers
ReActivate™ – Scuba Refresher	Inactive Diver / Refresher	Scuba Skills Update
Not Applicable	Shallow Water Diver	Not Applicable
Not Applicable	Supervised Diver	Not Applicable
Scuba Diver	Not Applicable	Scuba Diver
Open Water Diver	Open Water Scuba Diver	Open Water Diver
Not Applicable	Advanced Diver	Advanced Open Water Diver
Rescue Diver	Rescue Diver	Diver Stress & Rescue
Master Diver	Master Diver	Master Diver
Not Applicable	Scubility Diver	Classified Diver
Advanced Open Water Diver	Advanced Adventure Diver	Advanced Adventurer
Peak Performance Buoyancy	Advanced Buoyancy Control	Perfect Buoyancy
Altitude Diver	Altitude Diver	Altitude Diving
Aware – Fish Identification	Marine Ecosystems Awareness Diver	Not Applicable
Aware – Coral Reef Conservation Diver	Marine Ecosystems Awareness Diver	Not Applicable
Boat Diver	Boat Diver	Boat Diving
Cavern Diver	TDI Cavern Diver	Extended Range (XR) Cavern Diving
Multilevel Diver	Computer Diver	Not Applicable
Enriched Air Diver	Computer Nitrox Diver	Enriched Air Nitrox Diver
EFR CPR & AED	CPROX 1st AED	REACT RIGHT
Deep Diver	Deep Diver	Deep Diving
Diver Propulsion Vehicle Diver	Diver Propulsion Vehicle	Not Applicable
Discover Rebreather	TDI Rebreather Discovery	Not Applicable
Drift Diver	Drift Diver	Not Applicable
Dry Suit Diver	Dry Suit Diver	Dry Suit Diving
Equipment Specialist	Equipment Specialist	Equipment Techniques
Not Applicable	Full Face Mask Diver	FFM
Ice Diver	Ice Diver	Ice Diver
Project AWARE® Specialist	Marine Ecosystems Awareness Diver	Ecology
Night Diver	Night/Limited Visibility Diver	Night & Limited Visibility
Not Applicable	Research Diver	Not Applicable
Search and Recovery Diver	Search and Recovery Diver	Search & Recovery
Not Applicable	Shore/Beach Diver	Waves, Tides, & Current
Sidemount Diver	Sidemount Diver	Recreational Sidemount Diving
Self Reliant Diver	Solo Diver	Independent Diver
Rebreather Diver	Not Applicable	Rebreather Diver
Not Applicable	UW Hunter and Collector	Not Applicable
Underwater Nagivator	UW Navigation Diver	Navigation
Digital Underwater Photography	UW Photographer	Underwater Photography
Underwater Videographer	UW Videographer	Not Applicable
Not Applicable	Visual Inspection Procedures	Not Applicable
Wreck Diver	Wreck Diver	Wreck Diver

All information presented in this table is current at the time of publishing. However, as organizations update their standards and introduce new courses, the information in this table may become outdated and subject to change without notice. Therefore, we recommend you refrain from copying or taking screen captures of this table, as it may not be accurate in the future.

If you haven’t been diving for an extended period, it is highly recommended that you take a refresher course. While there is no set timeframe, it is generally advised to take the approach after about a year. If that is your case, diving with a professional to refresh your knowledge and skills is still wise, even if you have already obtained certification.

Regardless of the dive training organization you choose, we hope you have a fantastic dive experience ordering our cave, cavern, and ocean guided tours or continue advancing your dive education.

If you want to discover the beauty of caverns but still need to obtain a diving certification, you can still take measures. In that case, we offer a complete set of recreational diving courses to become certified divers and join the underwater world in 3 days of intensive training.

For recreational divers who want to learn how to dive deeper and longer and take part in our technical and cave diving courses, we offer a set of all the tech diving courses from Essentials / Intro to Tech up to Full / Stage / Multistage cave courses.

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June 25, 2023July 4, 2025

Coop One cenote

Cenote Coop One is part of the K’oox Baal cave system (including the Tux Kapaxa system).

Between 2006 and 2011, cave divers explored more than 30 km of new cave passages in the K’oox Baal system. On December 9, 2011, the two cave systems merged and became known as K’oox Baal. Already boasting an impressive total cave line length of 75,140 meters, it was subsequently extended to 102,901 meters and is now proudly considered the fourth-longest underwater cave system in the world.

Historic Connection: “Mother of All Cenotes” Linked to K’oox Baal System

On June 22, 2025, Phillip Lehman, Patrick Widmann, Rosso Rivera, and Robbie Schmittner successfully connected the “Mother of All Cenotes” to the K’oox Baal cave system. This achievement followed the discovery of a navigable passage between the two systems, which lie approximately 1.5 kilometers apart.

To bridge the gap, the team laid over 8 kilometers of guideline, establishing a permanent connection between the cave networks. The exploratory dive lasted 425 minutes and was conducted using Seacraft scooters, mNemo mapping tools, and Sidewinder rebreathers, enabling the team to navigate, map, and document the newly accessed sections with precision.

With this connection, the total surveyed length of the K’oox Baal system now reaches 123 kilometers, marking a significant milestone in the exploration of underwater cave systems in the region.

By the way, the first (Ox Bel Ha) and second (Sac Actun-Nohoch-Dos Ojos) underwater cave systems in the world are also located here on the Rivera Maya and we can dive them as well

Establishing this connection is the culmination of years of effort by cave divers worldwide. Researchers have conducted hundreds of dives in the region’s caves and spent thousands of hours underwater. They spent hundreds more hours exploring and navigating the treacherous jungle. They transported and maintained diving equipment, drove cars, and oversaw their endless repairs.

Today, the K’oox Baal is the world’s longest cave system, whose entire surface, including contours and cave lines, has been fully mapped.

Our K’oox Baal cave diving video

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Diving from Cenote Nai Tucha (K’oox Baal System, originally Tux Kapaxa, the Playground Cave) to Cenote Koi and back while visiting archeological sites.
Max Depth: 16.2 mts (53 ft)Average Depth: 8.2 mts (27 ft)Total Dive Time: 2h 30 minDistance covered: ~2 km (~1.24 mi)
There are several openings to the surface, with one notable example being Cenote Nai Tucha. The main permanent guideline begins in the open water. Follow the main line, swimming for twenty minutes. Jump to your left, follow this 150 ft/ (45.7 m) shortcut, and jump back onto a main guideline. This section of the cave system has massive passageways and is highly decorated. Turn left and swim twelve minutes to an INAH-documented bone site.
Another great dive is to stay on the main line until you reach a permanent T intersection. Turn left and swim fifteen minutes to the bone site. Swim straight; eight minutes later, you will get an air dome with two shafts to the surface. From there, continue. You can swim straight to Cenote Koi or, at the far edge of the air dome on the permanent guideline, jump to your right 45 ft (13.7 m) for the more fabulous cave.
More info: https://cave-ha.com/2023/06/25/nai-tucha-cenote/
Bill Philips and Robbie Schmittner were the first explorers of the K’oox Baal System.
Other explorers were Steve Bogearts, Petr Chmel, Miloslav Dvoracek, Harry Hicks, Radoslav Husak, Daniel Hutnan, Martin Hutnan, Karol Kyska, Radek Jancar, Andres Labarthe, Miroslav Manhunt, Michal Megela, Theirry Minet, Zdenek Motycka, Bil Philips, Sabine Schnittger, Wulf Schubert, Jan Sirotek, Sarka Stepanova, Kamila Svobodova, and Radoslav Teichmann, Phillip Lehman, Patrick Widmann, Rosso Rivera, Max and Laura Tobey.
#caveha #cavehadiving #cavehadivingmexico #cave #cavedive #cavediving #cavedivingmexico #cavedpvdiving #dpvcavediving #technicaldive #technicalcavediving #technicaldiving #пещерныйдайвинг #пещерныйдайвингвмексике #пещерныйдайвингмексика #техническийдайвинг #cenotenaitucha #gue

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Cenote Nai Tucha is part of the K’oox Baal cave system (including the Tux Kapaxa system).
Between 2006 and 2011, cave divers explored more than 30 km of new cave passages in the Tux Kapaxa system. On December 9, 2011, the two cave systems merged and became known as K’oox Baal. Already an impressive total cave line length of 75,140 meters, it was extended to 102,901 meters and is now proudly considered the fourth longest underwater cave system in the world.
By the way, the first (Ox Bel Ha) and second (Sac Actun-Nohoch-Dos Ojos) underwater cave systems in the world are also located here on the Rivera Maya, and we can dive into them as well.
Establishing this connection is the culmination of years of effort by cave divers worldwide. Researchers have made hundreds of dives in caves in the region and spent thousands of hours in the water. They spent hundreds more hours exploring and going through the dangerous jungle. They transported and maintained diving equipment, drove cars, and oversaw their endless repairs.
More details you can find here: https://cave-ha.com/2023/06/25/nai-tucha-cenote/
Other explorers were Steve Bogearts, Petr Chmel, Miloslav Dvoracek, Harry Hicks, Radoslav Husak, Daniel Hutnan, Martin Hutnan, Karol Kyska, Radek Jancar, Andres Labarthe, Miroslav Manhunt, Michal Megela, Theirry Minet, Zdenek Motycka, Bil Philips, Sabine Schnittger, Wulf Schubert, Jan Sirotek, Sarka Stepanova, Kamila Svobodova, and Radoslav Teichmann, Max and Laura Tobey.
#caveha #cavehadiving #cavehadivingmexico #cave #cavedive #cavediving #cavedivingmexico #cavedpvdiving #dpvcavediving #technicaldive #technicalcavediving #technicaldiving #пещерныйдайвинг #пещерныйдайвингвмексике #пещерныйдайвингмексика #техническийдайвинг #cenotenaitucha #gue
Today, the K’oox Baal is the world’s longest cave system whose entire surface, including contours and cave lines has been fully mapped.
Gunnar Wagner and Robbie Schmittner were the first explorers of the Sistema Tux Kapaxa side, and Bil Philips and Robbie Schmittner were the first explorers of the Sistem Koox Ba’al.

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Cenote Coop One (Big Hole), a.k.a. Tam Hol in Maya

The maximum depth of the Coop One section of the cave system is 45 ft (13.7 m). You will find the permanent line on the far side from where you walk down a ramp and past the wooden deck with a ladder leading straight up to the surface.

K’oox Baal Cave system map

K'ooh Baal cave system map — K’ooh Baal cave system map

Coop One Cenote location map

The first explorers of the Sistema Tux Kapaxa side were Gunnar Wagner and Robbie Schmittner.

Bill Philips and Robbie Schmittner were the first explorers of the K’oox Baal System.

Other explorers were Steve Bogearts, Petr Chmel, Miloslav Dvoracek, Harry Hicks, Radoslav Husak, Daniel Hutnan, Martin Hutnan, Karol Kyska, Radek Jancar, Andres Labarthe, Miroslav Manhunt, Michal Megela, Theirry Minet, Zdenek Motycka, Bil Philips, Sabine Schnittger, Wulf Schubert, Jan Sirotek, Sarka Stepanova, Kamila Svobodova, and Radoslav Teichmann, Phillip Lehman, Patrick Widmann, Rosso Rivera, Max and Laura Tobey.

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April 8, 2023June 19, 2024

Angelita Cenote

Yes! It’s a Cenote Angelita dive that will knock your mind off. Goosebumps and amazement that’s what we are talking about. It’s not only scuba diving; it’s an unforgettable experience.

Cenote Angelita resembles a pond in the jungle. It is about 25 meters (80 feet) in diameter. The green and brown are everywhere. Unlike other cenotes, water is greenish. Besides, brown leaves and pollen often cover the water’s surface. So, before even getting in the water, you realize this dive differs from the others.

Cenote Angelita has a unique feature that distinguishes it from others around. The famous cloud is at 27 meters. Nothing like the halocline you may see in the other diving spots. These two layers of water are separated by a thick layer of hydrogen sulfate that looks like solid clouds viewed from an airplane.

That is to say, you will feel like you are on a post-apocalyptic fiction movie set. It’s the feeling that fantastic monsters lurk in the depths of the clouds below, and you will have while crossing the borderline… You’ll fly around a tiny island in the middle of nowhere, bristling with dead tree branches. In other words, you will leave planet Earth for another dimension during your dive time.

Our Angelita Cenote cave diving video

Open post by cave_ha_diving with ID 18235668136279378

Cenote Angelita has a unique feature that distinguishes it from others around. The famous cloud is at 27 meters. Nothing like the halocline you may see in the other diving spots. These two layers of water are separated by a thick layer of hydrogen sulfate that looks like solid clouds viewed from an airplane.
More information: https://cave-ha.com/2023/04/08/angelita-cenote/
That is to say, you will feel like you are on a post-apocalyptic fiction movie set. It’s the feeling that fantastic monsters lurk in the depths of the clouds below, and you will have while crossing the borderline… You’ll fly around a tiny island in the middle of nowhere, bristling with dead tree branches. In other words, you will leave planet Earth for another dimension during your dive time.
#caveha #cavehadiving #cavehadivingmexico #cave #cavedive #cavediving #cavedivingmexico #cavedpvdiving #dpvcavediving #technicaldive #technicalcavediving #technicaldiving #пещерныйдайвинг #gue #gueccr #jjccr #пещерныйдайвингвмексике #пещерныйдайвингмексика #техническийдайвинг #cenoteangelita #angelitacdnote

Open post by cave_ha_diving with ID 17957204867646057

That is to say, you will feel like you are on a post-apocalyptic fiction movie set. It’s the feeling that fantastic monsters lurk in the depths of the clouds below, and you will have while crossing the borderline… You’ll fly around a tiny island in the middle of nowhere, bristling with dead tree branches. In other words, you will leave planet Earth for another dimension during your dive time.
Video by @jpbresser
A terrific, calm ambiance and a time capsule in which you will ponder how nature created such a mystical place.
Yes! It’s a Cenote Angelita dive that will knock your mind off. Goosebumps and amazement are what we are talking about. It’s not only scuba diving; it’s an unforgettable experience.
Cenote Angelita resembles a pond in the jungle. It is about 25 meters (80 feet) in diameter. The green and brown are everywhere. Unlike other cenotes, Angelita’s water is greenish. Besides, brown leaves and pollen often cover the water’s surface. So, before even getting in the water, you realize this dive differs from the others.
Cenote Angelita has a unique feature that distinguishes it from others around. The famous cloud is at 27 meters. Nothing like the halocline you may see in the other diving spots. These two layers of water are separated by a thick layer of hydrogen sulfate that looks like solid clouds viewed from an airplane.
#caveha #cavehadiving #cavehadivingmexico #cave #cavedive #cavediving #cavedivingmexico #cavedpvdiving #dpvcavediving #technicaldive #technicalcavediving #technicaldiving #пещерныйдайвинг #gue #gueccr #jjccr #пещерныйдайвингвмексике #пещерныйдайвингмексика #ТехническийДайвинг #cenoteangelita #angelitacenote

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Cenote map

It has a terrific, calm ambiance and a time capsule in which you will ponder how nature created such a mystical place.

In short, will you dare to dive in Angelita? Thus, experienced divers are welcome to have a thrilling moment with us. It is a Twilight Zone! You will easily name Angelita in the top 5 dives of your life.

Angelita Cenote location map

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April 7, 2023November 16, 2024

Dos Ojos cenote

Dos Ojos Cenote and Park is one of the most popular cenotes in Quintana Roo and one of the most visited. The entrance to this famous cenote is located approximately 48 km south of Playa del Carmen. A 4 km long dirt road leads from the highway to the cenote, cavern areas, and parking.

The name “Dos Ojos” means “two eyes”. It originated for the two circular-shaped cenotes that are located very close to each other.

Dos Ojos Cenote is part of the Dos Ojos cave system of the same name. Connected system Sistema Sac Actun-Nohoch-Dos Ojos today is the world’s second-largest underwater cave system, 376,7 km (234 miles) of underwater lines, with a maximum depth of 119.18 mts (391 ft). Dos Ojos section is an anchialine cave system connecting to naturally intruding marine water and tidal influence in the cenotes. This cave system’s coastal discharge point(s) has not yet been humanly explored through to the ocean. Large volumes of groundwater were demonstrated by dye tracing to flow towards Caleta Xel-Ha, a nearby coastal bedrock lagoon.

The history of the Dos Ojos exploration project can be read in our article Sistema Dos Ojos Exploration Project.

Dos Ojos Cenote area was used for filming underwater scenes for a few underwater cave movies:

The Cave (2005);
the IMAX film Journey into Amazing Caves (2001);
And the award-winning BBC program Planet Earth series, Caves (2006).

Known for its many shallow dives, Dos Ojos offers divers plenty of time to enjoy the beautifully decorated system.

In the cenote called “First Eye,” two cavern lines in two very different caverns begin and end.

Our Dos Ojos Cenote diving video

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Taak Bi Ha to Tikim Chi and Back — A Route Through Timeless Passage
* Max Depth: 16.2 m (53 ft)
* Avg Depth: 8.2 m (27 ft)
* Total Runtime: 2h 30min
* Linear Distance Covered: ~2 km (~1.24 mi)
 If you’re looking to experience the soul of Riviera Maya cave diving, the route from Cenote Taak Bi Ha to Tikim Chi and back is one of those timeless loops that never gets old. Shallow, highly decorated, and dripping with history—this is the kind of dive that rewards patience, control, and an eye for detail. But on this dive, it’s not about depth. It’s about immersion—in both senses of the word.
Taak Bi Ha is not just another access point into the Dos Ojos region—it’s a fantastic portal into the sacred geometry of Sistema Sac Actun–Nohoch–Dos Ojos, the second-largest underwater cave system on Earth, now surveyed at 376.7 km with depths pushing past 119 m.
First explorers through here were Jim Coke and Johanna DeGroot — names that deserve respect every time you jump into the mainline.
 The main route—colloquially known as the IMAX line—earned its nickname from the iconic 2001 Journey into Amazing Caves film. But long before the cameras rolled, this path was laid by explorers with reels, lights, and grit.
From Taak Bi Ha, you’ll trace the IMAX northwest, heading upstream toward the LSD area. The passage is densely decorated — stalactites hang like chandeliers, and columns rise from the floor like ancient guardians. Every fin kick takes you further into a frozen cathedral of geological time.
For this time, we swing T-left, tag Tikim Chi, and begin the silent return. We passed the same formations again, but they’ll look different in reverse—a reminder that caves don’t just reveal themselves in one direction.
Learn More https://cave-ha.com/2024/06/19/taak-bi-ha-cenote/
 This isn’t just a dive—it’s a pilgrimage through one of the most photographed, most filmed, and most beloved sections of Yucatán cave country. Whether you’re guiding, mentoring, or just breathing slow and soaking it all in, Taak Bi Ha to Tikim Chi is one of those routes you’ll come back to again and again.#cavehadiving #cavehadivingmexico #caveha #cavediving #cavedivingmexico #technicaldiving

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Cenote Outland is part of the interconnected Sac Actun-Nohoch-Dos Ojos system, the world’s second-largest underwater cave system, spanning 376.7 kilometers (234 miles) of submerged passageways. The cave reaches a maximum depth of 119.18 meters (391 feet).
As you venture deeper into the nearby forest, an 8-kilometer potholed dirt road leads to the entrance of Outland Cenote, which is secured behind a locked fence. Upon arrival, you’ll find a half-collapsed sinkhole dominated by a sprawling Alamo tree whose roots spread out like the tentacles of a crawling octopus. The jungle atmosphere envelops you, creating a sense of wonder. Entry to the water is shallow, revealing a bed of brown rocks beneath. Surrounding the cave are tall leafy trees, and beautiful “motmot” birds flit by.
Passing through a limestone gateway, we instantly plunge to 9 meters (30 frets), where we’ll spend the rest of our dive. Visibility here is consistently evident. Just a few meters in, at the first T-junction of the guideline, we have a choice to turn left or right. The right path is noticeably wider. Before long, we wind through the various chambers of the Outland Cenote, where impressive columns, stalagmites, stalactites, and helictites dangle from the ceiling like darts, creating a breathtaking underwater landscape.
More info: https://cave-ha.com/2023/05/17/outland-cenote/
The first explorers were Steve Penn and Mike Madden. Connected to Sistema Aktun Hu by Alex Alverez, Franco Attolini, and Beto Navo in November 2007. It was connected to the Nohoch area by Robbie Schmittner on January 30, 2011.
In 2019, Harry Gust began exploring a new cenote called White Dunes. As the exploration continued, Harry connected White Dunes with Cenote Outland. In 2020, Dave Marlow joined Harry, and both continued to explore more passages.
#caveha #cavehadiving #cavehadivingmexico #cave #cavedive #cavediving #cavedivingmexico #cavedpvdiving #dpvcavediving #technicaldive #technicalcavediving #technicaldiving #пещерныйдайвинг #пещерныйдайвингвмексике #пещерныйдайвингмексика #техническийдайвинг #cenoteoutland #sidemount #sudemountdiver #sidemountdiving

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New Year recreational diving in El Pit Cenote
https://cave-ha.com/2023/04/08/el-pit-cenote/
#diving #cenotediving #cavediving #cenoteelpit #cenotethepit #cavehadiving #cavehadivingmexico #cavedivingmexico

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Cenote Nohoch has yielded a pit called The Blue Abyss that goes to 235 ft (71 m) and produces a world record cave dive for the most continuous guideline laid and surveyed on one dive (listed in the book The Darkness Beckons by Martin Farr as 4,200 ft (1,273 m as of October 1989, explored by Gerard, Madden, and Tucat).
The most popular dive is to the Blue Abyss from Nohoch Nah Chich cenote (As Pet Cemetery is no longer widely available for cave diving). Mike Madden and Bill Main discovered this room during exploration dives during the Christmas week of 1992. They found the top of the room as they reached their air turnaround on their final day of diving. Returning on Tuesday, February 2, 1993, using Mako DPVs from Cenote Nohoch Nah Chich, Mike Madden, and Steve Gerrard explored the room to a depth of 225 ft (68.6 m) and stopped by a breakdown rock. Several attempts have been made over the years by various cave explorers.
In 2011, Krzysztof Starnawski and a support group explored the extension of The Next Generation Tunnel in cenote El Pit (https://advanceddivermagazine.com/articles/thepit/thepit.html) another 180 meters towards the Blue Abyss. From the Bluy Abyss side, he also found and explored the “Eques” passage (another known name TKM (in loose translation: Now Is Our Time!!!) passage and the “Noble Room” hall with a total length of 200 meters and going down to 101 meters, thus increasing the depth of the Blue Abyss from the traditional 71 meters to 101.
It is assumed that these two passages can be connected, thus creating a real underwater connection between the Nohoch and Dos Ojos cave systems.
More info:
https://cave-ha.com/2024/06/22/cenote-nohoch-nah-chich/
https://cave-ha.com/2023/04/08/el-pit-cenote/
#diving #caveha #cavehadiving #cavehadivingmexico #cave #cavedive #cavediving #cavedivingmexico #cavedpvdiving #dpvcavediving #technicaldive #technicalcavediving #technicaldiving #пещерныйдайвинг #gue #пещерныйдайвингвмексике #пещерныйдайвингмексика #техническийдайвинг

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Dos Palmas Cenote is one of the most stunning cenotes in the Dos Ojos cave system. The name “Dos Palmas” means “two palm trees”. It originated from the two palmas growing near the cenote entrance. A few years ago, one palm tree died.
Nicte Ha Cenote is another stunning cenote in the pleiad of the Dos Ojos cave system cenotes. The name “Nicte Ha” means “High Voltage.” It originated from the high-voltage electric power line that goes above the cenote.
Dos Ojos Cenote and Park is one of the most famous cenotes in Quintana Roo and the most visited. The name “Dos Ojos” means “two eyes”. It originated from the two circular-shaped cenotes located very close to each other.
Connected system Sistema Sac Actun-Nohoch-Dos Ojos today is the world’s second-largest underwater cave system, 376,7 km (234 miles) of underwater lines, with a maximum depth of 119.18 mts (391 ft). First discovered and explored in 1986 by Jim Coke and Johanna DeGroot, they only accessed it by using a 1954 four-wheel Willis jeep that finally died in 1988. Dos Ojos (“two eyes” in Spanish) lay dormant until 1992. It was the vision of a newcomer, Buddy Quattlebaum, who recognized the potential of this cave system that lay underneath the property of the Ejido Jacinto Pat.
More info:  Dos Ojos cenote https://cave-ha.com/2023/04/07/dos-ojos-cenote/ The first explorers were Jim Coke and Johanna DeGroot.
Dos Palmas cenote https://cave-ha.com/2024/06/11/dos-palmas-cenote/ The first explorers were Steve Gerrard, Mark Grant, George Irvine, and Bill Mee in September 1992.
Nicte Ha cenote https://cave-ha.com/2024/06/12/nicte-ha-cenote/ The first explorers were Chuck Stevens and Robbie Osman.
#caveha #cavehadiving #cavehadivingmexico #cave #cavedive #cavediving #cavedivingmexico #cavedpvdiving #dpvcavediving #technicaldive #technicalcavediving #technicaldiving #пещерныйдайвинг #gue #пещерныйдайвингвмексике #пещерныйдайвингмексика #техническийдайвинг #cenotedosojos #cenotedospalmas #cenotenicteha #cenotemotmot

Open post by cave_ha_diving with ID 18173818849309103

Cenote Outland is part of the connected system Sac Actun-Nohoch-Dos Ojos. Moreover, it is the world’s second-largest underwater cave system, with 376,7 km (234 miles) of underwater lines. The maximum depth is 119.18 mts (391 ft). The Nohoch historical section is an anchialine cave system connecting to naturally intruding marine water and tidal influence in the cenotes. However, this cave system’s coastal discharge point(s) has not yet been explored into the ocean.
Farther away in the forest, an 8km potholed dirt road leads to the Outland Cenote. The entrance is fenced and locked. Outland is a half-collapsed sinkhole with a huge Alamo tree extending its roots like the tentacles of a crawling octopus. The atmosphere of the jungle was overwhelming. Entry to the water was very shallow, over brown rocks. Outside the cave were tall leafy trees, and beautiful “motmot” birds flew by.
Sneaking through a gateway in the limestone, we immediately plummeted to a depth of 8m for the rest of the dive. Visibility is always clear. At the first T-junction, a few meters from the guideline’s beginning, we can turn left and right. The right part is quite more extensive. Soon after, you meander through various chambers of the Outland Cenote with columns, stalagmites, stalactites, and helictites hanging from the roof like darts.
More info: https://cave-ha.com/2023/05/17/outland-cenote/
The first explorers were Steve Penn and Mike Madden. Connected to Sistema Aktun Hu by Alex Alverez, Franco Attolini, and Beto Navo in November 2007. It was connected to the Nohoch area by Robbie Schmittner on January 30, 2011.
In 2019, Harry Gust began exploring a new cenote called White Dunes. As the exploration continued, Harry connected White Dunes with Cenote Outland. In 2020, Dave Marlow joined Harry, and both continued to explore more passages. Dave and Harry have more than tripled Outland’s original passage length.
#caveha #cavehadiving #cavehadivingmexico #cave #cavedive #cavediving #cavedivingmexico #cavedpvdiving #dpvcavediving #technicaldive #technicalcavediving #technicaldiving #пещерныйдайвинг #gue #пещерныйдайвингвмексике #пещерныйдайвингмексика #техническийдайвинг #cenoteoutland

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Cenote Nohoch Nah Chich is the central cenote of the Nohoch historical section of the connected system Sac Actun-Nohoch-Dos Ojos.
The name Nohoch Nah Chich means “Giant Birdhouse” in Mayan.
Cenote Nohoch Nah Chich was not only a site of exploration but also a source of inspiration for various art forms. From an underwater cave photographer’s viewpoint, this cenote cave region offers many stunning features to capture as images.
The upstream area’s first 2,500 ft (757 m) is a vast delta area of offshoot passages, commonly named the Nohoch Proper area. There is Charlie’s line, Ron’s (Ron Winiker) line, the Bill Carlson line, JJ’s (Juan Jose Tucat) loop line, Joanie’s (Joan Patrick) line, Parker’s (Parker Turner) line, and Alberto’s (Alberto Rodriquez) line. Swim upstream on the main line 800 ft (240 m), and you will see an air dome on the right with a wooden deck platform and a ladder to the surface. Swim another 100 ft (30 m), and you will swim between two massive and impressive formations named Heaven’s Gate. The following 300 ft (90 m) is known as Disneyland. All of the offshoot passageways are beautiful and inspiring.
More info: https://cave-ha.com/2024/06/22/cenote-nohoch-nah-chich/
Denny Atkinson, Mike Madden, Juan Jose Tucat, and Ron Winiker first explored this cenote. On their first dive, on November 26, 1987, they laid 2,620 ft (803 m) of line.
#caveha #cavehadiving #cavehadivingmexico #cave #cavedive #cavediving #cavedivingmexico #cavedpvdiving #dpvcavediving #technicaldive #technicalcavediving #technicaldiving #пещерныйдайвинг #gue #пещерныйдайвингвмексике #пещерныйдайвингмексика #техническийдайвинг
#guecavediving #nohoch #cenotenohoch #nohochnahchich

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Outland Cenote
The Outland cenote is part of the world’s second-largest underwater cave system - Sac Actun-Nohoch-Dos Ojos.
Turning toward Outland Cenote into the jungle on the 54th kilometer from Playa del Carmen of the Cancun-Tulum federal road, you will find yourself on a country road. Following, the dusty, bumpy road leads deep into the jungle. It connects the entrances to a multitude of beautiful cenotes. Caracol, Chun Ya, Otoch Ha, Outland, La Concha, Fenomeno, etc.
The entrance is fenced and locked. Outland is a half-collapsed sinkhole with a huge Alamo tree extending its roots like the tentacles of a crawling octopus. The atmosphere of the jungle was overwhelming. Entry to the water was very shallow, over brown rocks. Outside the cave were tall leafy trees, and beautiful “motmot” birds flew by.
More information: https://cave-ha.com/2023/05/17/outland-cenote/
Cenote Outland was connected to Sistema Aktun Hu by Alex Alverez, Franco Attolini, and Beto Navo in November 2007. Aktun Hu system was connected to the Nohoch historical section of the connected Sac Actun-Nohoch-Dos Ojos system by Robbie Schmittner on January 30, 2011.
In 2019, Harry Gust began exploring a new cenote called White Dunes. As the exploration continued, Harry connected White Dunes with Cenote Outland. In 2020, Dave Marlow joined Harry, and both continued to explore more passages. Dave and Harry have more than tripled Outland’s original passage length.
#caveha #cavehadiving #cavehadivingmexico #cave #cavedive #cavediving #cavedivingmexico #cavedpvdiving #dpvcavediving #technicaldive #technicalcavediving #technicaldiving #пещерныйдайвинг #gue #gueccr #jjccr #пещерныйдайвингвмексике #пещерныйдайвингмексика #техническийдайвинг #cenoteoutland #outlandcenote #aktunhucave #aktunhucavesystem #nohochcenote #cenotenohoch #nohochnahchichcenote #cenotenohochnahchich #nohochcave #dosojos

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Pedrin Fenomeno Cenote
The Pedrin Fenomeno Cenote is part of the huge underwater cave system Sac Actun—Dos Ojos—Nohoch Nah Chich.
Turning toward Pedrin Fenomeno Cenote into the jungle on the 54th kilometer from Playa del Carmen of the Cancun-Tulum federal road, you will find yourself on a country road. Following, the dusty, bumpy road leads deep into the jungle. It connects the entrances to a multitude of beautiful cenotes. Caracol, Chun Ya, Otoch Ha, Outland, La Concha, Pedrin Fenomeno, etc.
Cenote Pedrin Fenomeno is part of the connected system Sac Actun-Nohoch-Dos Ojos. Moreover, it is the world’s second-largest underwater cave system, with 376,7 km (234 miles) of underwater lines. The maximum depth is 119.18 mts (391 ft). The Nohoch historical section is an anchialine cave system connecting to naturally intruding marine water and tidal influence in the cenotes. However, this cave system’s coastal discharge point(s) has not yet been explored into the ocean. Despite this, dye tracing to flow towards Caleta Xel-Ha, a nearby coastal bedrock lagoon, demonstrated large volumes of groundwater.
https://cave-ha.com/2024/05/27/cenote-pedrin-fenomeno/
Farther away in the forest, an 8km potholed dirt road leads to the Pedrin Fenomeno Cenote. Pedrin Fenomeno is one more half-collapsed sinkhole. Furthermore, the jungle atmosphere was overwhelming. There is a dilapidated bridge to enter the water. The stairs have collapsed, but you can enter the water on the right or left along the shore. You will come to a shady pond about 2-3 meters (6-10 feet) deep. Outside the cave were tall leafy trees, and beautiful “mot-mot” birds flew by.
#caveha #cavehadiving #cavehadivingmexico #cave #cavedive #cavediving #cavedivingmexico #cavedpvdiving #dpvcavediving #technicaldive #technicalcavediving #technicaldiving #пещерныйдайвинг #gue #gueccr #jjccr #пещерныйдайвингвмексике #пещерныйдайвингмексика #ТехническийДайвинг #cenotefenomeno #cenotepedrinfenomeno #fenomenocenote #pedrinfenomenocenote

Open post by cave_ha_diving with ID 17902504943917727

Open post by cave_ha_diving with ID 17937943385753404

Taak Be Ha Cenote by iMAX line to LSD line dive.
Dive time 3 hour 31 min.
#caveha #cavehadiving #cavehadivingmexico #cenotetaakbiha #dosojoscenote #taakbihacenote #cavediving #cavedivingmexico #cavedive #technicaldiving #technicaldivingmexico #пещерныйдайвинг #пещерныйдайвингвмексике #техническийдайвинг #halcyon

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Bat Cave line

The first – Bat Cave line leads divers mainly along the “bat cave” walls. It also gives divers plenty of room to swim around the huge columns and stalactites. Prepare for exciting surprises during this dive. Mid-dive, your guide will invite you to surface in the cave to admire the thousands of bats nesting on the ceiling.

Barbie line

The second line in Dos Ojos Cenote is the Barbie Line – a golden line 415 meters long with wide spaces and large bright galleries. This dive is a great way to become familiar with the sensation of water, where buoyancy changes rapidly. In the last quarter, divers will enter an almost closed area. You will feel far from the entrance, although you are close to the nearest exit point.

Each dive lasts 45 minutes, the average depth is 6 meters (20 ft), and the maximum is 9 meters (30 ft)

With shallow dives, crystal clear visibility, and great decor, Dos Ojos is spectacular for cavern diving.

Dos Ojos Cenote location map

The first explorers were Jim Coke and Johanna DeGroot. Other explorers were Jesse Armentrout, Steve Berman, Mauro Bordignon, Steve Bogearts, Mike Cameron, Rich Chapski, Nancy DeRosa, Tony DeRosa, Pablo Diaz, Will Dooley, Donn Ellerbrock, Kenneth Furman, MaryAnn Gamble, Steve Gamble, Bill Gavin, Steve Gerrard, Dr. Lee Gibson, Sergio Granucci, Mark Grant, Jill Heinerth, Paul Heinerth, Hilario Hiler, George Irvine, Steve Irving, Brian Kakuk, Steve Keene, Keith Kinard, Michael Lang, Gary Lemme, Jonathan Lesh, Dan Lins, Connie LoRe, Travis LoRe, Kevin Mack, Mike Madden, Sandro Madeo, Sam Meacham, Bill Mee, Jim Mellon, Michael Menduno, Lance Milbrand, David Miner, Jim Osborne, Robbie Osman, Andrew Pitkin, Chris Pyle, Bil Philips, “Buddy Quattlebaum, Rosemary Redgen, Bill Rennaker, Kevin Retton, Donna Richards, Simon Richards, Daniel Riordan, Leo Sastre, Sue Sharples, Chuck Stevens, Nicolai Toussiant, Claudia Tolentino, Pierre Watson, Martin Wright, Tom Young, Dr. John Zumrick, Gary Walten, Kay Walten, Patrick Widdmann, and others unknown.

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