You can cross the nearby Edogawa river at Yagiri no Watashi by rowing boat. The service has continued since the early days of the Edo period, and is the only traditional crossing point remaining in the capital. Unfortunately, there isn’t much to see on the other side, but you could cross over by boat and return the long way over one of the bridges.
LocationYagiri-no-watashi Katsushika Side, 7 Chome−18 Shibamata, Katsushika City, Tokyo 125-0052
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15 minutes from Shibamata Station
Adults ¥200, children ¥100 (one-way)