The park contains fossil beds rich in brachiopods, bryozoans, and trilobites dating back 450 million years.
The 2,160-acre Harsha Lake is a man-made reservoir created by the U.S. Army Corps of Engineers for flood control.
The park features a specialized 32-mile segment of the Buckeye Trail, Ohio's 1,444-mile long-distance hiking trail.
It hosted the 1996 Olympic rowing trials and remains a premier venue for national and international rowing competitions.
The park provides habitat for the state-endangered bald eagle, with active nesting sites monitored by the ODNR.
The park’s elevation changes significantly, creating distinct micro-climates between the lakeside and the interior upland forests.
East Fork State Park is one of Ohio’s largest state parks, encompassing 4,870 acres of varied landscape including the 2,160-acre William H. Harsha Lake. The park features a diverse topography ranging from flat meadows to rugged, steep hills and deep valleys. Over 85 miles of multi-purpose trails accommodate hikers, mountain bikers, and equestrians. The park’s geological features include significant fossil-bearing strata from the Ordovician period. Harsha Lake serves as a major regional hub for motorized boating, sailing, and swimming at the designated beach. The park is home to a varied wildlife population, including bald eagles, white-tailed deer, and wild turkeys. Extensive campgrounds provide over 400 sites, ranging from full-service hookups to primitive options. The park grounds include the remnants of the old Elklick village and historical farmsteads. It serves as a major destination for regional equestrian events and competitive sailing.
The shoreline overlook near the main dam at sunset.
Bring bug spray, as the dense forest and lakeside areas are prone to ticks and mosquitoes during warmer months.
Check the Ohio DNR website for current water quality and beach status notifications before planning a swimming trip.
If planning to hike, download an offline map, as cell service is inconsistent in the deeper ravines.
Do not attempt to swim outside of the designated beach area, as underwater hazards and lake currents exist near the dam.
Campgrounds are seasonal; some facilities may be restricted during winter months.
Stay on marked trails to protect sensitive erosion-prone slopes and follow all 'leave no trace' principles.
