Harstad Slough
| Harstad Slough | |
|---|---|
| Location | Stevens County, Minnesota |
| Coordinates | 45°41′34″N 95°59′46″W / 45.69278°N 95.99611°W |
| Type | lake |
| Basin countries | United States |
| Surface elevation | 1,119 ft (341 m) |
Harstad Slough is a lake in Stevens County, in the U.S. state of Minnesota.
Harstad Slough was named for Lars E. Harstad, a pioneer who settled near the lake.