Grand Lake St. Marys State Park
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.
- Park
- …lies at an elevation of around 860 feet (260 metres)
- Description: State park in Ohio, United States
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…
Places in the Area
Nearby places include Montezuma and Celina.
Montezuma
Montezuma is a village in Mercer County, Ohio, United States. Montezuma is situated 4 miles southwest of Grand Lake St. Marys State Park.
Celina
Tysto, Public domain.
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 St. Marys State Park.
Grand Lake St. Marys State Park
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Latitude
40.53116° or 40° 31′ 52″ north
Longitude
-84.49968° or 84° 29′ 59″ west
Open location code
86GQGGJ2+F4
OpenStreetMap ID
OpenStreetMap feature
leisure=park
GeoNames ID
Wikidata ID
Satellite Map
Discover this place from above in high-definition satellite imagery.
In Other Languages
“Grand Lake St. Marys State Park” goes by many names.
- Cebuano: “Grand Lake State Park”
Localities in the Area
Explore places such as Idlewild and Northwood.
Notable Places Nearby
Highlights include Crown Amphitheater and Wright State University Lake Campus.
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Ohio: Highlights
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