Hidenchigama

Technical limestone cave with rare crustaceans and unique formations.

Boat Access
11m Avg Depth
23m Max Depth

About this dive site

This dive site, Hidenchigama, consists of undersea limestone caves located near Torijima island, Japan. The main entrance is found 1km off the Torijima fishing port at a drop-off depth of 35 meters. The entrance is narrow, just wide enough for a person to enter, and internal penetration signifies a full technical area dive. Divers can explore stunning geological formations inside, such as chandelier-like and curtain-like bell milestones. The cave system is renowned as a treasure trove of rare crustaceans, including various shrimps and crabs; a new species of prawn was even discovered here in 2011. Outside the cave entrance, divers can observe schools of larger marine life such as Kingfish, southern groupers, and vibrant butterflyfish, adding to the site's rich biodiversity. With a maximum depth of 23 meters internally and an entrance at 35 meters, this challenging site is exclusively suitable for advanced and technical divers due to its confined and technical nature. It is not recommended for snorkeling or freediving. While the best time to visit is not specified, it offers exceptional opportunities for macro photography of its unique small creatures and wide-angle shots of its impressive cave landscapes.
Diving

Site Ratings

Big Marine Life Good
Macro Marine Life Excellent
Landscape Quality Excellent
Water Visibility Very Good Viz

Plan Your Visit

cavernswim-throughadvanced onlymacro photographywide anglelimestone cavesrare species

Marine Life

rare shrimpsbutterflyfishKingfishprawns (new species)crabssouthern groupersnew species of prawn

Things to Note

Difficulty:

Advanced

Internal penetration requires full technical diving skills due to confined, deep cave environment.

Hazards:
depthcaveconfined space
Current Strength:

Variable

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