Lost Creek Lake
 Lost Creek Lake is a reservoir located on the Rogue River in Jackson County Oregon USA. The lake is impounded by William L. Jess Dam which was constructed by the U.S. Army Corps of Engineers in 1977 for flood control. The lake and dam were the first completed elements of the multi-purpose Rogue River Basin Project consisting of Lost Creek Lake Applegate Lake and the Elk Creek project. The lake is located approximately 27 miles (43 km) (straight line) northeast of Medford Oregon.