Download PDF Thorn Creek Reservoir (ID) USGS topo maps. These are full-sheet 7.5 Minute (1:24,000 scale) topographic maps. The red outline on the map below identifies the boundaries of the Thorn Creek Reservoir topo map.
Thorn Creek Reservoir topo maps are provided as PDF files.
Note: The most current map is the 2020 Thorn Creek Reservoir topographic map.