| Angle Rank | Name | Avg. Steepness | Avg. Drop | Elevation | Prominence | State | Counties | Quadrangle |
| 28 | Flinsch Peak | 53.57° | 444' | 9,233' | 1,221' | MT | Flathead & Glacier | Mount Rockwell |
| 74 | "Rainbow Peak" | 49.03° | 378' | 12,527' | 493' | MT | Carbon | Castle Mountain |
| 76 | Sky Pilot Mountain | 48.98° | 377' | 12,066' | 576' | MT | Carbon | Silver Run Peak |
| 98 | Castle Mountain | 47.34° | 356' | 12,616' | 2,676' | MT | Carbon | Castle Mountain |