Great Rift ISA Wilderness Study Area

The Great Rift lies in the Snake River Plain in south-central Idaho. Wildlife species here include antelope, mule deer, coyotes, rabbits and 22 other types of mammals. Sage grouse, mourning doves and a variety of raptors are among 140 bird species in the lava plain area too.

Great Rift ISA Wilderness Study Area
Great Rift ISA Wilderness Study Area

Located in the Snake River Plain of south-central Idaho about 100 miles west of Pocatello and Idaho Falls; primary access is US Highway 93 on the northwest