Why it belongs here
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.
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Grand Lake St. Marys State Park
Celina, United StatesPark or GardenAmericasUnited States
Overview
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.
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Before you go
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5Grand Lake St. Marys State Park is mapped from 3 source signal(s) and destination coordinates.