| Angle Rank | Name | Avg. Steepness | Avg. Drop | Elevation | Prominence | State | Counties | Quadrangle |
| 17 | El Capitan | 49.19° | 380' | 9,908' | 437' | ID | Blaine | Snowyside Peak |
| 29 | Regan, Mount | 45.42° | 333' | 10,191' | 1,698' | ID | Boise | Stanley Lake |
| 32 | Thompson Peak | 45.18° | 330' | 10,761' | 2,452' | ID | Custer | Stanley Lake |
| 43 | "Mount Iowa" | 44.51° | 323' | 10,328' | 369' | ID | Custer | Mount Cramer |
| 53 | "Old Decker" | 43.63° | 313' | 9,847' | 410' | ID | Custer | Mount Cramer |