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TDI Cavern Diver Course

courses > technical > tdi cavern

Course Overview

This course is designed to develop the minimum skills and knowledge for cavern and overhead environments diving within the limits of light penetration; in addition outlines specific hazards associated with cave diving. The cavern course is not intended to provide instruction for cave diving environments. The objective of this course is to train divers in the proper planning, procedures, techniques and hazards of cavern diving.


Minumum age of 15.
Open water certified.
25 logged dives.

Details of the course

The Cavern diver course covers:

  • Policy for cavern diving
  • Gas matching procedures and management to include dissimilar volume
  • Psychological considerations
  • Equipment consideration
  • Communication
  • Swimming techniques
  • Physiology
  • Cavern environment
  • Cavern conservation
  • Problem solving
  • Accident analysis
  • Review of dive tables and decompression theory
  • Cavern diving etiquette

Course duration and number of dives

The Cavern diver course is a 3 day course and 4 dives are required.

Course Price

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Additional costs

Recreational Rental equipment if needed. set p/day
Purchase of spool, mainline reel, line arrows and wriste slate
TDI Cavern Manual. 1500.00 THB
TDI certification fees 1500.00 THB

Equipment requirement

The Cavern Diver course has some specific equipment requirement more than your standard recreational dive gear. The cavern diver program requires 2 lights, spool, cutting devices and line arrow.

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