Strouds Run State Park is an Ohio state park located primarily in Canaan Township, Athens County, Ohio, with a small part in Ames Township. It comprises 2,606 acres, and includes Dow Lake, an 161-acre artificial lake. The lake is stocked on an annual basis with several kinds of fish, including rainbow trout, which cannot survive the winters. The park is almost entirely within the Strouds Run watershed, although it does not include the entire watershed.