William H. Harsha Lake, OH is located on the East Fork of the Little Miami River in Clermont County. In 1869 there were two active gold mines on the project. One, located on the north bank in the vicinity of Elk Lick, consisted of a flume for washing glacial deposits. The other was a tunnel mine in the vicinity of Twin Bridges. East Fork State Park is popular with hikers boasting 85 miles of hiking trails. Horseback riders can enjoy 57 miles of trail. The 2,160 acre lake attracts water enthusiasts of all kinds.

Located southeast of Batavia just south of OH 32, approximately 20 miles southeast of Cincinnati, OH.