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About
ⓘ Some details here were drafted automatically and haven't been verified yet — double-check fees and hours with the managing agency before you go.
LocationCelina OH
SizeLarge — multiple days
Acres12,896 acres
Good forFishingBoatingSwimmingHunting
Grand Lake St. Marys State Park is a public recreation area located on 13,500-acre (5,500 ha) Grand Lake in Mercer and Auglaize counties, Ohio. Grand Lake is the largest inland lake in Ohio in terms of area, but is shallow, with an average depth of only 5-7 feet (1.5-2.1 m). The state park is open for year-round recreation, including boating, fishing, swimming and hunting. The park consists of the lake and park facilities scattered all around the shore intermingled with private property and a facility operated by Wright State University. It is west of St. Marys, and southeast of Celina, 23 miles (37 km) southwest of Lima in the northwestern part of the state.
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