The terrain is rugged, pristine mountain forest ranging in elevation from 10,000 to above timberline tundra peaks over 14,000 feet. Unique wildlife include the green-back cutthroat trout in the Rock Creek drainage, along with typical forest species such as elk, deer, squirrels, grouse, ptarmigan, marmots, pika, skunks, coyotes, bobcats, bear and etc. Permitted activities include hiking, camping, fishing, hunting, skiing, and etc. No motorized or mechanized vehicles and equipment are permitted. This 20,893 acre area, located within the UL Bend National Wildlife Refuge, borders a hairpin turn in the Missouri River.
Vegetation is sagebrush-grassland interspersed with juniper and chokeberry draws.
Wildlife is typical of the area and includes prairie passerines and raptors, mule deer, elk, sharp-tailed and sage grouse. The 11,366 acre Wilderness Area is located within the Medicine Lake National Wildlife Refuge in northeastern Montana. The islands range from 367 acres to less than an acre in size. They are vegetated with native mixed grass prairie and brush. The Sandhills Unit has gently rolling topography and very sandy soils which produce sand dunes that have vegetated over time with native mixed grass prairie.