Senachwine Lake
| Senachwine Lake | |
|---|---|
Lake Senachwine, 2019 | |
| Location | Putnam / Marshall counties, Illinois, United States |
| Coordinates | 41°10′30″N 89°20′48″W / 41.1750°N 89.3467°W |
| Basin countries | United States |
| Surface area | 3,324 acres (1,345 ha) |
| Surface elevation | 439 ft (134 m) |
Senachwine Lake is a 3,324-acre (13.45 km2) riparian lake that forms part of the valley of the Illinois River. It is located in Putnam and Marshall counties, Illinois. Its elevation is 439 feet (134 m) above sea level. Senachwine Lake is connected by a shallow channel to adjacent Goose Lake, also a backwater lake of the Illinois River.