The Little Belts have been mined for silver since the 1880s, and for sapphire since 1896.[1] The sapphires, called Yogo sapphires as they are mined near Yogo Creek, occur in a formation three miles (4.8 km) long and eight feet (2.4 m) across.[1]
The mountains are named for a butte in the range, Belt Butte, itself named for a band of white rock which encircles it.[2]
The Showdown Ski Area holds the state's record for snowfall, 33 feet (10 m) of snow in one winter.[1]
The mountain range of gently rolling peaks and expansive conifer forests contains two large roadless areas. The smaller area, about 92,000 acres (370 km2) in size, is protected as the Middle Fork-Judith Wilderness Study Area.[3] This area includes the Middle and Lost Forks of the Judith River, which cut deep canyons through multicolored limestone cliffs.[4] The Middle Fork-Judith WSA contains over 29 miles of streams containing Yellowstone cutthroat and rainbow trout. Higher elevations are covered in lodgepole pine and whitebark pine, while lower elevations contain ponderosa pine and douglas fir intermixed with grassy parks and meadows. The larger area, encompassing the Tenderfoot Creek drainage, in the western portion of the range, is unprotected and about 108,000 acres (440 km2) in size; it includes some private lands as well as about 98,000 acres (400 km2) of roadless Lewis and Clark National Forest lands.[3] The Smith River Canyon, a popular float trip, is along the western edge of this area.[3]
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