Izu Peninsula Geopark

Tsumekizaki no Tawaraiso

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Tsumezaki Columnar Joints

The columnar joint formations that stretch along the west side of Cape Tsumekizaki are a natural marvel formed when magma cooled and solidified beneath the soil surface. These formations on the shore are referred to as “Tawaraiso.”


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Tsumekizaki no Tawaraiso

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