Tōjinbō, Columnar basalt cliffs in Sakai, Japan
The Tōjinbō cliffs extend for one kilometer along the Sea of Japan coast, reaching heights of 30 meters with distinctive hexagonal and pentagonal rock formations.
The cliffs formed between 12 to 13 million years ago during the Miocene Epoch when volcanic activity created columnar joints of pyroxene andesite rock.
The Japanese government designated these cliffs as both a Natural Monument and a Place of Scenic Beauty in 1935, recognizing their geological importance.
Visitors can explore the cliffs through marked trails along the rocky coastline or take 30-minute boat tours that provide views from the Sea of Japan.
A retired police officer, Yukio Shige, dedicates his time to monitoring these cliffs, contributing to a significant reduction in incidents at this location.
Location: Sakai
Made from material: andesite
Part of: Top 100 Geological Sites in Japan
GPS coordinates: 36.23778,136.12528
Latest update: May 26, 2025 19:40
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