East Fork State Park offers multiple boat ramps providing access to the 2,160-acre William H. Harsha Lake with unlimited horsepower boating.

The main ramp options include the Campground Boat Ramp (2 lanes on the north side), Tate Boat Ramp (4 lanes on the south side), Reisinger Boat Ramp (2 lanes), North Shore Boat Ramp (2 lanes), and hand launch options for smaller watercraft, with a life jacket loaner board available at the Hand Launch ramp near the main beach.