Omoden in Itoshima City, Fukuoka Prefecture, is a cave formed by erosion of rocks jutting out into the sea, designated as a natural monument by the government. It cannot be seen from the land, but can be viewed by sightseeing boat. From the observation deck on top of the cave, you can enjoy a panoramic view of the beautiful sea and sandy beach. You can enjoy a dynamic and impressive view. However, depending on the condition of the sea, the boat may be cancelled, so it is recommended to check in advance by phone or other means.
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