The Mizunami River is a river located in Gifu Prefecture, Japan. It flows through the city of Mizunami and is part of the Kiso River system. The river plays a significant role in the local ecosystem and provides water for agriculture and other uses in the surrounding areas. The river is approximately 30 kilometers long and is known for its clear waters and scenic views. It is also a popular spot for recreational activities such as fishing and hiking. The Mizunami River contributes to the natural beauty of the region and supports local wildlife, including various species of fish and birds.