Tensodo Cave

Tensodo Cave is a sea cave in Dogashima named after the skylight that was created when a portion of the ceiling collapsed from erosion.
Under the name "Dogashima Tensodo," it was designated as a on August 27, 1935. Additionally, it was registered as one of the sites on the Izu Peninsula Geopark list, established in 2011. Dogashima is situated roughly in the center of the western coast of the Izu Peninsula, facing Suruga Bay, and the coastal area has also been designated as a under the name "Izu Southwestern Coast."