Mentor Marsh
United States
Mentor Marsh is a body of water in Lake County, Ohio, United States. It is a lakeshore wetland with marsh vegetation, aquatic plants, swamp and bottomland forest, and upland forest. Owned by the private sector, but protected by the state of Ohio as part of Mentor Marsh State Nature Preserve, the wetland is a National Natural Landmark located within the metropolitan area of Cleveland, Ohio. It was listed as a Landmark in 1964.
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