Hidenchigama
About Hidenchigama
Hidenchigama is an undersea limestone cave system reached from offshore, featuring a small entrance at a drop-off around 35 m. The opening is only just large enough for a single diver to enter, and the interior is described as a technical, full-penetration environment. Inside, the cave formations include chandelier-like and curtain-like limestone features. The area is also described as habitat for rare crustaceans, with fish life visible outside the entrance.
Where Is Hidenchigama?
Hidenchigama Planning Details
Depth range, seasonality, and planning context.
Reported Depth
35m+
Depth Note
Entrance is at a drop-off depth of 35 m, about 1 km offshore from a fishing port on the island’s west side.
Safety & Access At Hidenchigama
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
The entrance is very small and the site includes cave penetration described as a full technical dive; treat as an overhead environment requiring appropriate training, equipment, and procedures.
Local Intel For Hidenchigama
Community notes to help plan your visit.
Scuba
The interior is described as full technical-area cave penetration, with a very tight entrance.
Hidenchigama Dive Conditions Planner
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Exposure Profile at Hidenchigama
Directional shelter context for incoming swell.
Recent Logged Visits At Hidenchigama
Community dive logs and visit reports for this site.
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Dive Spot Log Averages At Hidenchigama
Average conditions based on logged dives & visits.
Hidenchigama Guide - Sources and Updates
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