Largest lakes & reservoirs in Ohio by acres
There is no widely-accepted minimum surface area that defines a lake. What LakeLubbers describes as a lake, you might call a pond. Acreage of a lake (or sometimes square kilometers) is most often measured at the top surface area when the lake is at normal elevation. The surface area can be considerably smaller or larger when lake levels are lower or higher than normal. North America’s Lake Superior is the world’s largest freshwater lake by this measure.The other measure of a lake’s size is the lake’s water volume. By that measure, the world’s largest freshwater lake is Lake Baikal in Siberia.
You can find many of the world’s largest lakes (acres) on LakeLubbers in the comparison table below. Note: For some lakes, "Largest Lakes - Acres" data is unknown or does not apply, so you may see fewer lakes than the total 25 articles we have published for Ohio lakes.
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Below are lakes within USA > US Midwest Region > Ohio > Compared by surface area in acres. This list does not represent all lakes in Ohio, only the 25 Ohio lake articles we have published on the LakeLubbers website.
Lake name  |
Surface area in acres |
Lake description |
|---|---|---|
| Lake Erie (Canada, Chautauqua-Allegheny Region, NY, Great Lakes Region, PA, Great Lakes of North America, Greater Niagara Region, NY, Michigan, New York, Northeast Ohio, Northwest Ohio, Ohio, Ontario, Canada, Pennsylvania, Southeast Michigan, US Mid-Atlantic Region, US Midwest Region, USA) |
6,261,500 ac | Lake Erie, one of the Great Lakes of North America, straddles the borders of Ohio, Pennsylvania, New York, Michigan, and the Canadian province of Onta … |
| Pymatuning Lake, PA/OH (Great Lakes Region, PA, Northeast Ohio, Ohio, Pennsylvania, US Mid-Atlantic Region, US Midwest Region, USA) |
17,088 ac | Also known as Pymatuning Reservoir Pymatuning Lake, located in northwestern Pennsylvania and spilling over into northeastern Ohio, is a lake of superlatives: Clocking in at 17,088 acres … |
| Grand Lake St. Marys, OH (Northwest Ohio, Ohio, US Midwest Region, USA) |
12,900 ac | Also known as Grand Lake With its sail billowing in the wind, the sailboat glides in front of the lighthouse. It’s a rare scene for an inland lake, but Grand Lake St. Marys is … |
| Mosquito Creek Lake, OH (Northeast Ohio, Ohio, US Midwest Region, USA) |
7,850 ac | Also known as Mosquito Creek Reservoir, Mosquito Lake Mosquito Creek Lake is one of the highlights of Northeast Ohio. At 7850 acres, it is the second largest inland lake in the state. Also known as Mosqui … |
| Indian Lake, OH (Central Ohio, Ohio, US Midwest Region, USA) |
5,800 ac | Also known as Lewistown Reservoir Indian Lake is a 5,800-acre water playground in central Ohio’s Logan County. Named after several Native American tribes that used to inhabit this area … |
| Berlin Lake (Northeast Ohio, Ohio, US Midwest Region, USA) |
3,590 ac | Also known as Berlin Reservoir One of the best-loved spots along northeastern Ohio’s Mahoning River is Berlin Lake. The Mahoning River has long done double-duty safeguarding the wat … |
| Shenango River Lake, PA/OH (Great Lakes Region, PA, Northeast Ohio, Ohio, Pennsylvania, US Mid-Atlantic Region, US Midwest Region, USA) |
3,560 ac | Also known as Shenango Reservoir Located mostly in northwestern Pennsylvania between Greenville PA and Sharon PA – and spilling into northeastern Ohio – Shenango River Lake provides f … |
| Senecaville Lake, OH (Ohio, Southeast Ohio, US Midwest Region, USA) |
3,550 ac | Also known as Seneca Lake Senecaville Lake, also known as Seneca Lake, is the third largest inland lake in Ohio with 3,550 acres. Senecaville Lake is conveniently located in so … |
| Buckeye Lake, OH (Central Ohio, Ohio, US Midwest Region, USA) |
3,173 ac | Once used for canal transportation, now a year round adventure land, Buckeye Lake in Ohio is a destination worthy of investigation. Located just a sho … |
| Salt Fork Lake, OH (Ohio, Southeast Ohio, US Midwest Region, USA) |
2,952 ac | Salt Fork Lake is a 3,000-acre recreational gem nestled in the foothills of the Appalachian Mountains in Guernsey County in Ohio’s Southeast tourism r … |
| Caesar Creek Lake, OH (Ohio, Southwest Ohio, US Midwest Region, USA) |
2,830 ac | Caesar Creek Lake, located in southwestern Ohio, offers vacationers 2830 acres of blue waters and over 40 miles of shoreline. Created in the 1970’s wh … |
| West Branch Lake, OH (Northeast Ohio, Ohio, US Midwest Region, USA) |
2,650 ac | Also known as Michael J. Kirwan Reservoir West Branch Lake is set in Northeast Ohio’s glaciated land, where large boulders of ice left marshy wetlands in their recession thousands of years ago … |