It's located at the junction of Nakagawa River and Onagigawa River.
It checked goods on vessels especially women and armors at night.
Exhibitions include replica of the guard house, its history and water traffic from Edo era through Showa era.
The break room is facing to the river.
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<The Nearest Station>
Higashi Ojima station on Shinjuku Line (S16/Toei Subway)
<Admission>
200 yen
9:00 - 17:00
Closed on Mondays, Dec. 29 through Jan. 3
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