The Kootenai National Forest is a national forest located in the far northwestern section of Montana and the northeasternmost lands in the Idaho panhandle in the United States, along the Canada–US border. Of the 2.2 million acres administered by the forest, less than 3 percent is located in the state of Idaho. Forest headquarters are located in Libby, Montana. There are local ranger district offices in Eureka, Fortine, Libby, Trout Creek, and Troy, Montana.