Wilderness
Roughly half the forest (743,000 acres) makes 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 forest-wide including wilderness areas.
Anaconda Pintler Wilderness
One of the jewels of the Northern Rockies, the Anaconda Pintler Wilderness 158,712 acres in the Beaverhead-Deerlodge and Bitterroot National Forests.
Frank Church-River of No Return Wilderness
The Frank Church-River of No Return is a wilderness of steep, rugged mountains, deep canyons, and wild, whitewater rivers.
Selway Bitterroot Wilderness
The Selway-Bitterroot Wilderness (SBW) is 1.3 million acres in size - one of the largest wildernesses in the contiguous United States.