The Kinjo Dam (金城ダム,Kinjō Damu) is a concretegravity dam on the Li River in Naha, Okinawa Prefecture, Japan. It is designated as a cultural property and is located 500 m (1,640 ft) south of Shuri Castle. Construction on the dam began in 1989 and it was completed in 2000. Its main purpose is flood control and on average, it can control an intake of 40 m3/s (1,413 cu ft/s); releasing 23 m3/s (812 cu ft/s). The 19 m (62 ft) tall and 120 m (394 ft) long dam was constructed on fragile rock and is set on a deep concrete staircase foundation.