Gyokusendō Cave

Gyokusendō Cave
Blue-lit limestone formations inside Gyokusendō Cave, Okinawa Prefecture.
Interactive map of Gyokusendō Cave
LocationNanjo, Okinawa Prefecture, Japan
Coordinates26°08′02″N 127°45′21″E / 26.1340°N 127.7558°E / 26.1340; 127.7558
Length5,000 m (5 km)
Discovery1967
GeologyLimestone
Entrances1
AccessPublic (850 m accessible via walkway)
WebsiteOkinawa World - Official site

Gyokusendō Cave (Japanese: 玉泉洞, romanizedGyokusendō) is a limestone cave located in Nanjo, Okinawa Prefecture, Japan. The cave extends for approximately 5 kilometers, with around 850 meters developed for public access as part of the Okinawa World theme park. It is one of the longest caves in Japan and features limestone formations and underground water channels.