Riley Creek (Ontario)

Riley Creek is a stream in the Great Lakes Basin in Central Ontario, Canada. It flows south from its source at Riley Lake in geographic Ryde Township in the municipality of Gravenhurst, District Municipality of Muskoka, to its mouth as a right tributary of the Black River in geographic Dalton Township in the city of Kawartha Lakes. The Black River flows via the Severn River to Georgian Bay on Lake Huron.

About 80% of the creek lies within Queen Elizabeth II Wildlands Provincial Park.