[1] It is part of the Great Lakes Basin, and is a left tributary of the Nottawasaga River.
The rivers falls within the jurisdiction of the Nottawasaga Valley Conservation Authority.
[2] The river begins at an unnamed pond in Melancthon, Dufferin County, that lies between the Toronto, Grey and Bruce Railway line and Ontario Highway 10.
The river goes through Earl Rowe Provincial Park (mostly as Earl Rowe Lake), briefly flows through New Tecumseth at the community of Alliston, then reaches its mouth at the Nottawasaga River at Essa.
The Nottawasaga River flows to Georgian Bay on Lake Huron.