Kuma River (Japan)
Kuma River (球磨川, Kuma-gawa) is a river in Kumamoto Prefecture, Kyūshū, Japan. It is 115 km long and has a drainage area of 1,880 km².
It is considered to be one of the three most rapid rivers of Japan (the other two being Mogami River and Fuji River).
Kuma River is a popular tourist spot. About 70,000 tourists take a ride on the river every year. The river is also used for fishing, mainly in June, and for irrigation of nearby rice fields. It then empties into the Yatsushiro Sea at Yatsushiro.