The is a concrete gravity dam on the Li River in Naha, Okinawa Prefecture, Japan. It is designated as a cultural property and is located 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 ; releasing . The tall and long dam was constructed on fragile rock and is set on a deep concrete staircase foundation. References External links Personal account and visual tour of Kinjo Dam Dams in Okinawa Prefecture Gravity dams Naha Dams completed in 2000