The St. Joe National Forest is a U.S. National Forest located in the Idaho panhandle and is one of three forests that are aggregated into the Idaho Panhandle National Forests (the other two are the Coeur d'Alene and Kaniksu National Forests). In descending order of land area St. Joe National Forest is located in parts of Shoshone, Latah, Clearwater, and Benewah counties. It has a total area of 867,882 acres.

This is considered the South Zone and the St. Joe Ranger District. The forest is using a common output PL tone of 107.2 PL, and the repeater locations have been kept intact. As policy states we do not list the input PL, it will remain this way should the USFS later change the output PL tones at various locations