Drinking water available

About this space

Grand Lake St. Marys State Park Campground is situated on the shores of a 13,500-acre reservoir that was constructed in the early 1800s as a feeder for the Miami-Erie Canal and recognized for many years as the world's largest man-made lake. The park became one of Ohio's first state parks in 1949, preserving this historic waterway for recreation. The campground provides 216 campsites, with 135-1...