Tensodo Cave (天窓洞, tensōdō) is a sea cave in Dogashima named after the skylight (tensō) that was created when a portion of the ceiling collapsed from erosion.[1]

View of natural skylight from inside Tensodo Cave.

Under the name "Dogashima Tensodo," it was designated as a Natural Monument (天然記念物, tennen kinenbutsu) on August 27, 1935.[2] Additionally, it was registered as one of the sites on the Izu Peninsula Geopark list, established in 2011.[3] Dogashima is situated roughly in the center of the western coast of the Izu Peninsula, facing Suruga Bay, and the coastal area (including Tensodo Cave) has also been designated as a Place of Scenic Beauty (名勝, meishō) under the name "Izu Southwestern Coast."[4]

References

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  1. ^ "DOGASHIMAMARIN | 西伊豆・堂ヶ島「洞くつめぐり遊覧船」-伊豆遊覧船、堂ヶ島マリン". Retrieved 5 August 2024.
  2. ^ "Tensado Cave (Database of Nationally Designated Cultural Properties, etc.)," (in Japanese). Agency for Cultural Affairs. Retrieved 9 August 2024.
  3. ^ "南から来た火山の贈りもの 伊豆半島ジオパーク". 伊豆半島ジオパーク (in Japanese). Izu Peninsula Geopark. 15 December 2017. Retrieved 9 August 2024.
  4. ^ "Izu Southwest Coast (Database of Nationally Designated Cultural Properties, etc.)". Agency for Cultural Affairs. Retrieved 9 August 2024.
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34°46′57.7″N 138°45′58.2″E / 34.782694°N 138.766167°E / 34.782694; 138.766167