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Cavern in the Philippines: 2 dive centres on TecDiveTools, with agencies, courses taught and a summary of what students say. 1 publish course prices.
TecDiveTools lists 2 dive centres teaching Cavern in the Philippines. 1 of them publish course prices, in the currency the shop advertises and with the date each was checked — not converted, and not estimated.
Listings are ordered by how much evidence exists about their technical diving, not by a star rating, with any paid Featured listing shown first and marked as such (how rankings work). 1 of these 2 carry reviews we have read and classified as being about technical or overhead training. The count excludes recreational certifications by name, so a busy resort does not outrank a one-instructor cave operation on the volume of its reef trips. Separately, 1 have at least one instructor whose reviews we have read and summarised — a dive centre carries no synthesis of its own. How we read and count reviews.
Looking for individual instructors instead? Instructors in Philippines.
About the course
Cavern is the entry-level overhead-environment course, limited to the cavern zone — within sight of natural light and a direct exit — rather than a true cave. It introduces line use, buoyancy control, and the discipline of moving through an overhead space before a diver commits to real cave training. It's for open-water divers curious about overhead diving, or planning to progress into Intro to Cave and Full Cave, who need the foundational skills first. It's deliberately conservative — TDI keeps cavern divers within reach of natural light specifically so the stakes of a mistake stay low while the fundamentals are learned. No fixed depth beyond the cavern light-zone limit; 4 dives and 80 minutes of accumulated bottom time at 2 different sites required.
The centres listed above teach TDI Cavern in Philippines. Requirements are set by the agency, not the centre, so they are the same wherever you train — what differs is price, class size and how much diving is included.
2 dive centres on TecDiveTools teach TDI Cavern in the Philippines. Each is listed above.