Shiromaru Dam

Travel Guide - Shiromaru Dam


In the upstream region of Hatonosu-keikoku Valley sits Shiromaru Dam, which was constructed in 1963 and holds back the Tama-gawa River.
The dam has a underground facility called "Gyodo" where you can watch passing school of fish from the Tama-gawa River to the dam lake.

Further upstream from the dam lake is Kazuma-kyo Gorge.
One of Okutama's most peaceful valleys, the area is very popular among fishers.

Opening Hours

  • Gyodo: 10:00 - 16:00 (April - November)


  • Gyodo: Irregular (April - November)
  • Gyodo: December - March

Access / Public Transport

  • 10 minutes walk from JR Shiromaru Station

Address / Location

* Please click each address to show the location.


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