Rapid River (Algoma District)

The Rapid River is a river in Algoma District, Ontario, Canada. The river is about 15 km long and begins at Seymour Lake at an elevation of 410 m. It travels west and takes in its left tributary the Little Rapid River at an elevation of 408 m. The river continues west over a small rapids and a waterfall before emptying into the Mississagi River at an elevation of 314 m. A road, which begins at Highway 129 north of the river's mouth, parallels the majority of the river to Seymour Lake.