| Area name | Acreage | Public Law establishing | Federal land manager | 
|---|---|---|---|
| Anaconda-Pintlar Wild | 157,803 | 88-577 | USDA-FS | 
| Bob Marshall Wild | 950,000 | 88-577 | USDA-FS | 
| Cabinet Mountains Wild | 94,272 | 88-577 | USDA-FS | 
| Gates of the Mtn Wild | 28,562 | 88-577 | USDA-FS | 
| Glacier NP | 1,012,599 | 61-171 | USDI-NPS | 
| Medicine Lake Wild | 11,366 | 94-557 | USDI-FWS | 
| Mission Mountain Wild | 73,877 | 93-632 | USDA-FS | 
| Red Rock Lakes Wild | 32,350 | 94-557 | USDI-FWS | 
| Scapegoat Wild | 239,295 | 92-395 | USDA-FS | 
| Selway-Bitterroot Wild 1 | 251,930 | 88-577 | USDA-FS | 
| U. L. Bend Wild | 20,890 | 94-557 | USDI-FWS | 
| Yellowstone NP 2 | 167,624 | (3) | USDI-NPS | 
| 1 Selway-Bitterroot Wilderness, 1,240,700 acres overall, of which 988,770 acres are in Idaho and 251,930 acres are in Montana. | |||
| 2 Yellowstone National Park, 2,219,737 acres overall, of which 2,020,625 acres are in Wyoming, 167,624 acres are in Montana, and 31,488 acres are in Idaho. | |||
| 3 17 Stat. 32 (42nd Cong.) | |||