Sinnemahoning State Park is a 1,910-acre (773 ha) Pennsylvania state park in Grove Township, Cameron County and Wharton Township, Potter County, Pennsylvania in the United States. The park is surrounded by Elk State Forest and is mountainous with deep valleys.

The park is home to elk and bald eagle. Sinnemahoning State Park is on Pennsylvania Route 872, eight miles (13 km) north of the village of Sinnamahoning. In 1958, the park opened under the direction of the Pennsylvania Bureau of Forestry: it became a Pennsylvania State Park in 1962.

http://www.dcnr.state.pa.us/stateparks/findapark/sinnemahoning/index.htm