The Idaho Panhandle National Forests are a jointly administered set of three national forests located mostly in the U.S. state of Idaho. In 1973, major portions of the Kaniksu, Coeur d'Alene, and St. Joe National Forests were combined to be administratively managed as the Idaho Panhandle National Forests (IPNF). The IPNF consists of more than 2.5 million acres (10,000 km2) of public lands in the panhandle of north Idaho, with small areas extending into eastern Washington (4.7%) and western Montana (1.2%). The northernmost portion of the IPNF share a boundary with Canada. The Forest Supervisor's office is located in Coeur d'Alene, Idaho with district office's in Bonners Ferry, Sandpoint, Priest River (Priest Lake Ranger District), Fernan and Smelterville (Coeur d'Alene River Ranger District