Bitterroot National Forest

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Bitterroot National Forest
IUCN Category VI (Managed Resource Protected Area)
Bitterroot National Forest
Location Ravalli and Missoula counties in Montana; Idaho County in Idaho, USA
Nearest city Missoula, MT
Coordinates 46°13′58″N 113°57′49″W / 46.23278, -113.96361
Area 1.6 million acres (6,500 km²)
Established 1907
Governing body U.S. Forest Service
Wildfire in the forest as photographed on August 6, 2000.
Wildfire in the forest as photographed on August 6, 2000.

Bitterroot National Forest comprises 1.6 million acres (6,500 km²) in west-central Montana and eastern Idaho, United States. Founded in 1907, the forest is located in the Bitterroot and the Sapphire mountain ranges with elevations ranging from 2,200 feet (650 m) along the Salmon River in Idaho to 10,157 foot (3,100 m) Trapper Peak. Roughly half the forest (743,000 acres, 3,000 km²) make up part or all of three distinct Wilderness areas. These areas include the Anaconda-Pintler, Selway-Bitterroot and Frank Church River of No Return Wildernesses. The distinction is that in wilderness areas, no roads, logging, mining or other construction is permitted and all access must be done either on foot or horseback; even bicycles are not permitted. Hunting however is allowed forestwide including wilderness areas.

The Lewis and Clark Expedition passed through parts of what are now forest lands in 1805. After the discovery of gold in Idaho and then Montana in the 1860's, numerous mining towns were built, some of which today are ghost towns. The Nez Perce National Historic Trail passes through a portion of the forest, following the route of the retreating Nez Perce on their historic path that led from Idaho to north central Montana in 1877. Heavy logging and other resource depletion beginning in the 1880's led conservationists to push for the preservation the forest.

Trapper Peak in Bitterroot National Forest
Trapper Peak in Bitterroot National Forest

The forest is a combination of both grasslands and forested zones. Grazing rights are leased to private landowners in the lower altitudes where grasses and shrublands are dominant. Higher up, Douglas fir, larch, and lodgepole pine slowly give way to Engelmann Spruce and whitebark pine as the altitude increases. Above the treeline at 8,000 feet (2,400 m) the trees abruptly end and alpine flowers and grasses are found. A small grizzly bear population is located in the wilderness zones of the forest with black bear, mountain goat, bighorn sheep, elk and moose found forestwide. An active effort to reintroduce the grizzly bear to the region concluded in 2000 with a plan to release 25 bears into the wilderness zones over a five year period beginning in 2003.

There are 1,600 mi (2,500 km) of trails and 18 improved campgrounds within the forest. Outstanding fishing is found in the dozens of rivers and streams and lakes. While the forest headquarters is located in Hamilton, Montana, Missoula, Montana is the largest nearby city. The scenic Blodgett Canyon is but one of many steep canyons located in the forest. U.S. Highway 93 passes through portions of the forest.

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