Grand Lake
Grand Lake St. Marys State Park is a public recreation area located on 13,500-acre 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.- Reservoir
- …has a surface elevation of 869 feet (265 metres)
- Also known as“Celina Grand Reservoir”“Grand Lake - Saint Marys”“Grand Reservoir”“Lake Mercer”“Lake Saint Mary’s”“Mercer County Reservoir”“Mercer Reservoir”“Saint Marys Reservoir”
Places of Interest
Highlights include Grand Lake St. Marys Seaplane Base and Grand Lake St. Marys Lighthouse.
Grand Lake St. Marys Seaplane Base
Aerodrome
Grand Lake St. Marys Seaplane Base is a public use…
Grand Lake St. Marys Lighthouse
The Grand Lake St. Marys Lighthouse, also known as the… Grand Lake St. Marys Lighthouse is situated 1½ miles northeast of Grand Lake.
Places in the Area
Nearby places include Montezuma and Celina.
Montezuma
Montezuma is a village in Mercer County, Ohio, United States. Montezuma is situated 3½ miles southwest of Grand Lake.
Celina
Celina is a city in West Central Ohio, serving as the county seat of Mercer County.
Neptune
Hamlet
Neptune is an unincorporated community in Center Township, Mercer County, Ohio, United States. Neptune is situated 5 miles north of Grand Lake.
Grand Lake
- Category: body of water
- Location
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Latitude
40.52667° or 40° 31′ 36″ north
Longitude
-84.50072° or 84° 30′ 3″ west
Open location code
86GQGFGX+MP
GeoNames ID
Satellite Map
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Places with the Same Name
Discover other places named “Grand Lake”.
Localities in the Area
Explore places such as Lees Landing and Club Island.
Notable Places Nearby
Highlights include Grand Lake St. Marys State Park and Safety Island.
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