The confluence of the Uono and Shinano Rivers

The Uono River(魚野川, Uono-gawa) is a river in Niigata Prefecture in Japan. It flows into the Shinano River, which is the longest in Japan.

The river is 66.7 km long, its basin size is 1519 km². The average stream slope is 1/49. The average discharge at Horinouchi is 157 m3/s.