01 / Koboro Cave
A cave with a 2,000-year-old shell mound,where Enku is said to have placed a statue.

The sea cave on the Koboro coast is the Koboro Cave Site, a geosite of the Toya Caldera and Usu Volcano UNESCO Global Geopark. Hokkaido University excavations found a shell mound about 2,000 years old. The town says a statue, Iwaya Kannon, said to be carved by Enku, is enshrined here and can be reached on foot from Koboro Station.
- Geosite of the Toya Caldera and Usu Volcano Geopark
- Shell mound about 2,000 years old
- Iwaya Kannon, said to be by Enku