Recreational activities include hiking, biking, horseback riding, fishing, boating, swimming and camping.
Foss State Park has an equestrian camp with a multi-purpose trail for horseback riding, hiking and mountain biking.
Fees are waived for honorably discharged veterans and Oklahoma residents age 62 & older and their spouses.
The 22 parks are:[4] Foss Reservoir was created by the United States Bureau of Reclamation in 1961 by impounding the Washita River.
The reservoir, with a capacity of 436,812 acre-feet and a surface area of 13,141 acres (5,318 ha), provides regulation of river flows and municipal supplies for the nearby cities of Clinton, Cordell, Hobart, Butler, and Bessie.