There are 6 former lookout sites registered in Montana. The most recently registered former lookout site is Dad Peak Lookout Site (US 1613, MT 6), added on March 20, 2016.
| Lookout Name | NHLR Registry Number | Available for Rental | Visit Reports |
| Baldy Mountain Lookout Site | US 1608, MT 4 | ||
| Dad Peak Lookout Site | US 1613, MT 6 | ||
| 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 |