TDI Introductory Cave Diver


After experiencing caverns underwater, you will undoubtably be intrigued by the untouched mazes, undisturbed systems and geological history. Ultimately you’ll want to go further in the cave to see what other wonders they hold within. Allowing you to do just this, our course offers you an introduction to the basic principles of cave diving utilizing a single primary guide line.

TDI Introductory cave diver is the second level in the development of safe techniques for cave diving, directly building upon the cavern diver course. This introduction to cave diving is not intended to train divers for all facets of cave diving. The objective of this course is the perfection of skills taught in the cavern diving program, in addition to the adoption of additional techniques and procedures required for elementary cave dives.


tdi-into-cave2Upon successful completion of Introductory Cave Diving course, graduates may engage in single guideline cave diving activities without direct supervision so long as the following limits are adhered to:

  • Penetration is limited to 1/6th pressure using double cylinders
  • 40M maximum depth
  • No decompression diving
  • Mantain a continuous guideline
  • Use of proper cave diving equipment
  • Upon successful completion of this course, graduates are qualified to enroll in: TDI Cave Course


  • Be a minimum of 18
  • Show proof of a minimum certifiation of Cavern Diver

What will i do?

tdi-into-cave3To enroll in the TDI РIntroductory Cave Diver Course you must
The student must perfom the following in-water skills during cave dives:

  • Properly deploy a guideline
  • Properly use line markers
  • Properly follow a guidemine with eyes open and closed (simulated loss of visibility)
  • Air share with a buddy with eyes open, following the guideline
  • Air share with lights off, eyes closed and use touch contact, following the guideline
  • Remove and replace mask while in contact with the guideline
  • Demonstrate light / hand signals and touch contact
  • Conservation and awareness techniques
  • Referencing as back-up navigation
  • Demonstrate adequate anti-silting techniques
  • Simulate a primary light failure, and use a back-up light to exit the cave
  • Demonstrate lost line and lost diver drills


  • TDI Manual


To book this course, a 20% ( ฿6,000 ) deposit is payable now. The balance is due on arrival.