Cave Diving

Course OverviewTDI Cave Survey teaches trained cave divers how to collect, verify, and use survey data in the underwater cave environment. The official TDI page explains that the course is intended to encourage standardized cave surveying, promote the...

CCR Trimix Cave TrainingNSS-CDS CCR Trimix Cave Diver is the closed-circuit rebreather equivalent of the open-circuit Trimix Cave Diver course. The official NSS-CDS page states that it covers the same knowledge and skills, but in the manner required for...

Course OverviewTDI Mine introduces divers to the basic principles of mine diving using a single primary guideline. The official TDI Mine Diver Level I standards describe it as the first stage in the TDI Mine Diver development program, building on Cavern...

Plan Expedition-Level Cave DivesGUE Cave Diver 3 is advanced cave training for divers preparing to plan and execute extended-exposure cave dives at depth. GUE describes the course as developing proficiency while using approved rebreathers, DPVs,...

Advanced Cave TrainingIANTD Advanced Cave Diver training is for certified cave divers who are ready to move beyond basic main-line cave diving into more complex cave planning and execution. The current IANTD advanced cave listings include focused...

Trimix Cave Diver TrainingNSS-CDS Trimix Cave Diver is for cave divers with a legitimate need to go deeper than entry-level cave training limits while using helium-based breathing gas properly. The official NSS-CDS page explains that using helium-based...

Access Restrictive Cave PassagesGUE Sidemount Cave gives experienced cave divers a structured way to learn sidemount equipment configuration for passages that are too small or restrictive for standard GUE backmount doubles. The official GUE page explains...

Add Technical Procedures to Cave DivingIANTD Technical Cave Diver is the technical version of the Cave Diver pathway, intended for divers who are ready to combine overhead cave procedures with technical gas and decompression planning. The IANTD HQ course...

CCR Cave Diver TrainingNSS-CDS CCR Cave Diver is the closed-circuit rebreather equivalent of the Apprentice and full Cave Diver pathway combined. The official NSS-CDS page explains that it covers largely the same knowledge and skills as open-circuit cave...

Course OverviewTDI Full Cave is the third stage in TDI's cave-diver development program and expands the skills learned in Cavern and Intro to Cave. The official TDI page describes advanced cave dive planning, practical execution in different cave...

Train for Technical Mine DivingIANTD Mine Diver is represented on the current IANTD site by the Mine Diver & Technical Mine Diver program, which is designed to train divers in safe technical mine diving. Mine environments can combine overhead navigation,...

Use CCR Technology in CavesGUE CCR Cave is advanced overhead training for divers who are already competent in both cave diving and closed-circuit rebreather use. GUE explains that deeper cave exploration and longer passages may create a need for...

Tech Nitrox and Cave DecompressionNSS-CDS Tech Nitrox and Cave Decompression Diver trains cave divers in staged decompression strategies, emergency management, and proper procedures for using EAN-21 through 100% oxygen in cave dives requiring...

Survey and Map Cave SystemsGUE UW Cave Survey, officially presented by GUE as Underwater Cave Survey, teaches experienced cave divers how to turn a cave dive into usable survey information. GUE explains that cave survey and cartography are important...

Cave First Responder TrainingNSS-CDS First Responder is a non-diving course for cave divers who may be among the first people present after a serious cave-diving incident. The official NSS-CDS page explains that trained First Responders can help secure...