Dōgashima Tensōdō, Sea cave and natural monument in Nishiizu, Japan
The Dōgashima Tensōdō cave extends 147 meters in length and features three entrances positioned at the south, east, and west sides of the structure.
The formation occurred through marine erosion of tuff rock over centuries, leading to its designation as a Japanese natural monument in 1935.
The cave attracts numerous photographers who document the changing water colors and light patterns created by the natural opening in its ceiling.
Visitors can experience the cave through a 20-minute boat tour from Dogashima port, which costs 1200 yen per person.
The cave ceiling features a large circular opening that allows sunlight to penetrate, creating varying shades of blue and green in the water below.
Location: Nishiizu
GPS coordinates: 34.78269,138.76617
Latest update: March 5, 2025 15:12
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