There are 12 former lookout sites registered in Montana. The most recently registered former lookout site is Divide Mountain Lookout Site (US 2096, MT 12), added on December 25, 2022.
| Lookout Name | NHLR Registry Number | Available for Rental | Visit Reports |
| Baldy Mountain Lookout Site | US 1608, MT 4 | ||
| Blizzard Hill Lookout SIte | US 2086, MT 10 | ||
| Bloom Peak Lookout Site | US 2058, MT 9 | ||
| Dad Peak Lookout Site | US 1613, MT 6 | ||
| Divide Mountain Lookout Site | US 2096, MT 12 | ||
| Garry Lookout Site | US 1944, MT 7 | ||
| Jack Mountain Lookout Site | US 1945, MT 8 | ||
| Jocko #2 Lookout | US 2089, MT 11 | ||
| Mount Emerine Lookout Site | US 827, MT 1 | ||
| Mount Headley Lookout Site | US 1609, MT 5 | ||
| Rock Candy Lookout Site | US 1120, MT 2 | ||
| Scenery Mountain Lookout Site | US 1141, MT 3 |