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TDI Cavern Diver

The TDI Cavern Diver course

The program is designed to develop the skills necessary to dive safely in overhead environment within the limits of natural daylight penetration and within a short distance from the exit. It is the first step toward Full Cave Diver’s certification.

The TDI Cavern Diver course is taught in redundant configuration, either on twin tanks or sidemount.

Technical divers can enter the course directly. Recreational divers must complete the Intro to Tech Diver course or the Sidemount Diver course prior to start. Those courses can also be combined.
The course develops the mindset, techniques and theoretical knowledge to safely conduct cavern dives.

Students will learn proper dive planning and gas management as well as new, more refined diving techniques appropriated for the cavern environment with cave conservation in mind.

Academic presentations, land-drills, confined water session(s), and a minimum of 4 cavern dives are included in the course.

General conditions for all DZD overhead diving courses

General conditions for all DZD overhead diving courses

– all overhead courses have a daily training fee of $285 USD per student
– the duration/prices of the courses are thought as minimum
– students should be ready for extra training if necessary
– “Students pay for training, certifications are earned.”

– transfer from the dive center to the dive site and back
– teaching
– use of cylinders, and air / EAN32 fills
– weights, use of tool box, medical O2, drinking water

– gases other than air or EAN32
– personal dive equipment
– educational material (manual, e-learning, etc.)
– entrance fees to the cenote parks
– food or extra services (porter, etc.)

– $260 USD per day per person for two or more students
– please contact us via e-mail for special group/operators’ prices

We give our students the full attention they deserve and give our very best to make the course enjoyable and time-efficient. The courses are performance based, and the student must display the adequate skills and attitude to achieve certification.

We love teaching, and we love having fun, too! Ultimately, diving must be a pleasure, even during a demanding training. We make sure not to lose this from our sight!


Duration and Price

3 days – $855 USD


18 years old
Intro to Tech or Sidemount Diver
50 logged dives

Book Now - $855





Intro to Tech + Cavern
5 days
$1,425 USD
Sidemount + Cavern
6 days
$1,710 USD

Ready for an extraordinary adventure?

For more information about Dark Zone courses please e-mail us at
or contact us here