A masugata gate on the north side of Edo Castle's Kitanomaru, consisting of a koraimon and a watariyagura-mon. First built in 1636, the watariyagura-mon was rebuilt in 1665 after the Great Meireki Fire, while the koraimon is believed to be an original structure from the early Kan'ei era — making it among the oldest surviving buildings of Edo Castle and a National Important Cultural Property. The n…

Founded in 1636 with the watariyagura-mon rebuilt in 1665 after the Great Meireki Fire. Among the oldest surviving structures of Edo Castle and a National Important Cultural Property. The gate led to the Tayasu-Tokugawa family estate in the Edo period and now serves as the entrance to the Nippon Bud…