| Seneca Lake | |
|---|---|
 Recreation is one of the lake's many uses. | |
  Seneca Lake  Seneca Lake | |
| Location | Noble / Guernsey counties, Ohio, USA |
| Coordinates | 39°55′30″N 081°26′07″W / 39.92500°N 81.43528°W |
| Type | reservoir |
| Primary outflows | Seneca Fork of Wills Creek |
| Basin countries | United States |
| Surface area | 5.5 sq mi (14 km2) |
| Water volume | 88,500 acre⋅ft (0.1092 km3) maximum storage |
| Shore length1 | 45 mi (72 km) |
| Surface elevation | 892 ft (272 m) |
| Islands | Horse Island |
| Settlements | Senecaville, Kennonsburg |
| 1 Shore length is not a well-defined measure. | |
Senecaville Lake is a reservoir in Guernsey and Noble Counties, Ohio. It is located approximately 13 miles (21 km) southeast of Cambridge near the village of Senecaville, Ohio. The lake is popular among recreation and fishing enthusiasts. It is often referred to locally as Seneca Lake.