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Grand Lake St. Marys State Park

834 Edgewater Drive

Originally constructed as a feeder reservoir for the Miami-Erie Canal, Grand Lake St. Marys was for many years recognized as the largest man-made reservoir in the world. The 13,500-acre lake is the gateway to swimming, boating, camping and fishing in one of Ohio's oldest state parks.

Grand Lake St. Marys State Park is not affiliated with AmericanTowns Media