Shima Potholes
Shima Potholes
Shima Potholes
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Shima Potholes


Last updated: December 21, 2020

Unusual rock formations along the Shima River

The Shima Potholes are eight smooth holes that have formed in the riverbed of the Shima River.

The potholes have been created by thousands of years of erosion. The river's ebb and flow gradually circled stones along the riverbed and carved out these dips in the rock. The largest is now 2.9 meters wide and 1.5 meters deep.

Shima River is a beautiful place to hike. Just a kilometer upstream is Momotaro Falls, and Shima Onsen is another 2 kilometers upstream.

Basic Information


3520 Shima, Nakanojo, Agatsuma District ( Map)


About 25 minutes by bus from Nakanojo Station

About 1 hour 5 minutes by car from Shibukawa-Ikaho IC of Kan-Etsu Expressway







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