| Maze River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Japan |
| Length: | 76km (47miles) |
| Basin Size: | 1379km2 |
| River System: | Kiso River |
The is a river in Japan which originates in Takayama, Gifu. It flows through Gero before emptying into the Hida River.[1] Due to its clear waters, it is home to the Japanese giant salamander.
The river has two major dams along its length, the Iwaya Dam and the Mazegawa Dam. The Mazegawa Dam lead to the formation of the Lake Kanayama.