Name: Shimokubo Dam (Kanna)
Address: 1356-3 Oaza Yano, Kamikawa Town, Saitama Prefecture, Saitama, 367-0313, JP
Telephone: 0274-52-2746

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Saitama

Honjo / Kumagaya

Nature / Seasons

Shimokubo Dam is a rare L-shaped dam, and its crest length of 605m makes it the longest of any concrete dam in Japan. Kanna, the water reservoir for the metropolitan area created by Shimokubo Dam, is a place where you can enjoy cherry blossoms and rock azaleas in the spring and autumn leaves in the fall. It is also known as a fishing spot, with many types of fish such as crucian carp, smelt, and black bass.

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Telephone number	0274-52-2746
Website	https://www.water.go.jp/kanto/simokubo/
Access	Access by train: From JR Tokyo Station, take the JR Ueno Tokyo Line (bound for Takasaki) and get off at JR Honjo Station. Take the Asahi Bus (bound for Shinsen General Branch Office) and get off at Onishi Post Office. Take the Nippon Chuo Bus and get off at the Dam Site Entrance bus stop. From JR Tokyo Station, take the JR Ueno Tokyo Line (bound for Takasaki) and get off at JR Shinmachi Station. Then take the Nippon Chuo Bus (bound for Ueno Village Fureaikan) and get off at the Dam Site Entrance bus stop.
Language	日本語
Last Update ： 2025.03.14 Gunma Prefecture

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