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 (8,900 km2) 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. About 53 percent of the 94,272-acre (381.51 km2) Cabinet Mountains Wilderness is located within the forest, with the balance lying in neighboring Kaniksu National Forest.
Popo Agie Wilderness is located within Shoshone National Forest, Wyoming, United States. The wilderness consists of 101,870 acres on the east side of the continental divide in the Wind River Range. Originally set aside as a primitive area in 1932, in 1984 the Wyoming Wilderness Act was passed securing a more permanent protection status for the wilderness. The wilderness is a part of the 20,000,000 acres Greater Yellowstone Ecosystem.
The Bridger Wilderness is located in Bridger-Teton National Forest in Wyoming, United States. Originally established in 1931 as a primitive area, 428,169-acre (1,732.74 km2) region was redesignated as a wilderness in 1964 and expanded to the current size in 1984. The wilderness lies on the west side of the Continental Divide in the Wind River Range and contains Gannett Peak; at 13,809 feet (4,209 m) it is the tallest mountain in Wyoming. The wilderness is a part of the Greater Yellowstone Ecosystem.
The Great Bear Wilderness is located in northern Montana, United States, within Flathead National Forest Created by an act of Congress in 1978, the wilderness comprises 286,700 acres (1,160 km²) and borders the Bob Marshall Wilderness on the north. The Great Bear and Bob Marshall Wildernesses, along with the Scapegoat Wilderness which borders the Bob Marshall to the south, collectively form the Bob Marshall Wilderness Complex, which is over 1.5 million acres (6,070 km²) of almost untouched landscape. Glacier National Park is separated from the Great Bear Wilderness by U.S. Highway 2.
The Scapegoat Wilderness consists of 239,936 acres (971 km2) spread across three different National Forests in the U.S. state of Montana. Created by an act of Congress in 1972, the wilderness is located in Lewis and Clark, Helena and Lolo National Forests. The Scapegoat Wilderness is a part of the 1.5 million acre (6,070 km2) Bob Marshall Wilderness Complex as it shares a boundary with the Bob Marshall Wilderness, which in turn is connected to the Great Bear Wilderness further north.
The Gros Ventre Wilderness is located in Bridger-Teton National Forest in the U.S. state of Wyoming. Most of the Gros Ventre Range is located within the wilderness.
The Washakie Wilderness is located in Shoshone National Forest in the U.S. state of Wyoming.
The North Absaroka Wilderness is located in Shoshone National Forest in the U.S. state of Wyoming. It lies adjacent to the eastern border of Yellowstone National Park.
The Fitzpatrick Wilderness is located in Shoshone National Forest in the U.S. state of Wyoming. The wilderness was originally known as the Glacier Primitive Area, but was redesignated a wilderness in 1976.
The Cloud Peak Wilderness is located in north central Wyoming in the United States. Entirely within Bighorn National Forest, the wilderness was established in 1984 in an effort to preserve the wildest section of the Bighorn Mountains. The wilderness has the highest peaks in the Bighorn Mountains including Cloud Peak and Black Tooth Mountain, as well as Cloud Peak Glacier, the only remaining active glacier in the Bighorn Mountains. The Cloud Peak Wilderness is 189,039 acres (765.01 km2).
The Encampment River Wilderness is a designated wilderness area located in south central Wyoming in the United States. Entirely within Medicine Bow National Forest, the wilderness was designated to increase protection of the Encampment River and the canyon through which it flows.
The Huston Park Wilderness is located in south central Wyoming in the United States. Entirely within Medicine Bow National Forest, the wilderness was designated in 1984 to preserve the northernmost section of the central Rocky Mountains, an area of high mountain peaks and coniferous forest.
The Savage Run Wilderness is located in south central Wyoming in the United States. Entirely within Medicine Bow National Forest, the wilderness was designated in 1978 in an effort to protect vital rangeland for a large elk population.
The Jedediah Smith Wilderness is located in the U.S. state of Wyoming. Designated wilderness by Congress in 1984, Jedediah Smith Wilderness is within Caribou-Targhee National Forest and borders Grand Teton National Park. Spanning along the western slopes of the Teton Range, the wilderness ensures a high level of protection to this delicate ecosystem. Jedediah Smith Wilderness is an integral part of the Greater Yellowstone Ecosystem.
The Lee Metcalf Wilderness is located in the northern Rocky Mountains in the U.S. state of Montana. Created by an act of Congress in 1983, this rugged alpine wilderness is divided into four separated parcels typified by complex mountain topography: Bear Trap Canyon unit, Spanish Peaks unit, Taylor-Hilgard unit, and Monument Mountains unit. The Bear Trap Canyon unit was the first designated wilderness area to be managed by the Bureau of Land Management, and comprises a region of canyonlands adjacent to the Madison River. The other three sections of the wilderness are jointly managed by Beaverhead-Deerlodge and Gallatin National Forests, both of which are a part of the Department of Agriculture. The wilderness was named after the late Montana congressman Lee Metcalf.
The Medicine Lake Wilderness is located in eastern Montana, in the United States. Preserved to ensure migratory birds have a haven during the spring and fall migrations, the wilderness is managed by the U.S. Fish and Wildlife Service and is within Medicine Lake National Wildlife Refuge.
The Mission Mountains Wilderness is located in the U.S. state of Montana. Created by an act of Congress in 1975, the wilderness is within the Swan Lake Ranger District of the Flathead National Forest.
The Rattlesnake Wilderness is located in the U.S. state of Montana. Created by an act of Congress in 1980, the wilderness is within Lolo National Forest and is located only 4 miles (6.5 km) north of Missoula, Montana. The wilderness area is a component of the Rattlesnake National Recreation Area. It protects much of the high country of the Rattlesnake Mountains.
The Welcome Creek Wilderness is located in the U.S. state of Montana. Created by an act of Congress in 1978, the wilderness is within Lolo National Forest, and protects the northern portion of the Sapphire Mountains.
The Black Elk Wilderness is located in the U.S. state of South Dakota. The wilderness was designated by an act of Congress in 1980. Managed by the U.S. Forest Service, Black Elk Wilderness is part of Black Hills National Forest. This 13,426 acre (54 km²) region is considered sacred to Native Americans, especially the Sioux and is named after Black Elk, an Oglala Sioux holy man. Mount Rushmore National Memorial is immediately to the north and much of the rest of the wilderness is bordered by other protected land under the jurisdiction of state and federal agencies.
