Great Rift Isa Wilderness Study Area

Bureau of Land Management, Idaho.

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.

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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

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