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.| Tap on a place to explore it |
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 seaplane base located five nautical miles southwest of the central business district of St. Marys, a city in Auglaize County, Ohio, United States.
Grand Lake St. Marys Lighthouse
Lighthouse
Photo: Nyttend, Public domain.
The Grand Lake St. Marys Lighthouse, also known as the "Northwoods Lighthouse", is a historic lighthouse on Grand Lake St. Marys, a reservoir in the far western part of the U.S. state of Ohio.
Places in the Area
Nearby places include Montezuma and Celina.
Montezuma
Village
Photo: Nyttend, Public domain.
Montezuma is a village in Mercer County, Ohio, United States. The population was 152 at the 2020 census. Montezuma is situated 4 miles southwest of Grand Lake St. Marys State Park.
Celina
Photo: Tysto, Public domain.
Celina is a city in West Central Ohio, serving as the county seat of Mercer County. Nestled along the shores of Grand Lake St. Marys, Ohio's largest inland lake, Celina offers a blend of outdoor recreation, arts, entertainment, and modern amenities, making it a welcoming destination for travelers.
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
- Type: Park
- Description: State park in Ohio, United States
- Categories: Ohio state park and recreation area
- Location: Mercer, Ohio, Midwest, United States, North America
- View on OpenStreetMap
Latitude
40.53116° or 40° 31′ 52″ northLongitude
-84.49968° or 84° 29′ 59″ westElevation
863 feet (263 metres)Open location code
86GQGGJ2+F4OpenStreetMap ID
node 357509035OpenStreetMap feature
leisure=park
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Satellite Map
Discover Grand Lake St. Marys State Park 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.
Ohio: Must-Visit Destinations
Delve into Columbus, Cincinnati, Cleveland, and Bowling Green.
Curious Parks to Discover
Uncover intriguing parks from every corner of the globe.
About Mapcarta. Data © OpenStreetMap contributors and available under the Open Database License". Text is available under the CC BY-SA 4.0 license, except for photos, directions, and the map. Description text is based on the Wikipedia page “Grand Lake St. Marys State Park”. Photo: Bruin, CC BY 2.0.