Long Lost Lake

Long Lost Lake is located in Clearwater County, Minnesota, United States. The lake has one concrete-slab public access on its east side.
The closed-basin lake's water level rose over between 1993 and 2002, submerging residences, roads, and about of land. From its 2002 high of, its level dropped to by 2025. Ordinary High Water Level elevation is.
The Minnesota Department of Natural Resources stocked the lake with approximately 275,000 walleye fry most years between 2016 and 2024.
The 54-acre Long Lost Lake Wildlife Management Area is located on the east side of the lake and the smaller 20-acre Long Lost Lake South WMA is on its south shore.