The Lost River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map , accessed June 8, 2011 tributary of the Clearwater River of northwestern Minnesota in the United States. Via the Clearwater River, the Red Lake River, the Red River of the North, Lake Winnipeg, and the Nelson River, it is part of the watershed of Hudson Bay.

Lost River was named from the fact it once passed under a bog until the bogs were drained.

See also List of rivers of Minnesota

References

Minnesota Watersheds

USGS Hydrologic Unit Map - State of Minnesota (1974)