The park encompasses more than 5,000 acres (2,000 ha) of land and 2,650 acres (1,070 ha) of water mainly in Charlestown, Edinburg, and Paris townships, with additional land in neighboring Palmyra, Ravenna, and Rootstown townships.

Activities include boating, fishing, and swimming on the Michael J. Kirwan Reservoir, hiking, and camping.

Captain John Campbell who led militia in the War of 1812 opened the oldest brick land office building around 1810.

The reservoir was developed for recreation, water supply, flood control, and fish and wildlife management.

[3] The park offers swimming, fishing, camping, boating, 14 miles (23 km) of hiking trails, 20 miles (32 km) of bridle trails, and 12 miles (19 km) of mountain biking trails, winter recreation, and seasonal hunting for deer, small game, and waterfowl.