| Angle Rank | Name | Avg. Steepness | Avg. Drop | Elevation | Prominence | State | Counties | Quadrangle |
| 15 | Natoas Peak | 64.12° | 676' | 9,476' | 642' | MT | Glacier | Ahern Pass |
| 33 | Cosley Ridge | 61.46° | 603' | 9,424' | 574' | MT | Glacier | Mount Cleveland |
| 47 | Split Mountain | 60.41° | 578' | 8,792' | 1,312' | MT | Glacier | Mount Stimson |
| 51 | Half Dome | 60.28° | 575' | 8,860' | 1,400' | CA | Mariposa | Half Dome |
| 65 | Siyeh, Mount | 59.49° | 557' | 10,024' | 3,109' | MT | Glacier | Logan Pass |
| 78 | Stoney Indian Peaks, South | 58.91° | 544' | 9,351' | 694' | MT | Glacier | Mount Cleveland |
| 88 | "Rain Shadow Peak" | 58.61° | 538' | 9,171' | 477' | MT | Glacier | Mount Cleveland |
| 117 | Gable Mountain | 57.32° | 511' | 9,268' | 1,917' | MT | Glacier | Gable Mountain |
| 136 | Tinkham Mountain | 56.95° | 504' | 8,442' | 1,122' | MT | Flathead | Mount Stimson |
| 158 | Vigil Peak | 56.24° | 491' | 8,593' | 1,113' | MT | Flathead | Mount Rockwell |
| 188 | Cracker Benchmark | 55.38° | 475' | 9,841' | 380' | MT | Glacier | Logan Pass |
| 193 | Cataract Mountain | 55.26° | 473' | 8,198' | 599' | MT | Glacier | Logan Pass |
| 231 | Miche Wabun Peak | 54.32° | 457' | 8,865' | 1,019' | MT | Glacier | Mount Cleveland |
| 252 | 8655 | 53.91° | 450' | 8,655' | 455' | MT | Flathead & Glacier | Logan Pass |
| 259 | 8248 | 53.78° | 448' | 8,248' | 575' | MT | Glacier | Mount Cleveland |
| 269 | Flinsch Peak | 53.57° | 444' | 9,233' | 1,221' | MT | Flathead & Glacier | Mount Rockwell |
| 279 | Almost-A-Dog Mountain | 53.43° | 442' | 8,922' | 1,033' | MT | Glacier | Mount Stimson |
| 329 | Walton Mountain | 52.50° | 428' | 8,926' | 806' | MT | Flathead | Mount Jackson |
| 356 | Cannon, Mount | 52.22° | 423' | 8,962' | 1,817' | MT | Flathead | Mount Cannon |
| 357 | Wilbur, Mount | 52.22° | 423' | 9,323' | 2,133' | MT | Glacier | Many Glacier |
| 418 | Ninaki | 51.56° | 413' | 8,289' | 576' | MT | Glacier | Chief Mountain |
| 431 | Pyramid Peak | 51.41° | 411' | 8,158' | 757' | MT | Glacier | Ahern Pass |
| 476 | Iceberg Peak | 50.93° | 404' | 9,176' | 1,030' | MT | Flathead & Glacier | Ahern Pass |
| 540 | Kipp, Mount | 50.33° | 396' | 8,841' | 1,143' | MT | Flathead & Glacier | Ahern Pass |
| 557 | Long Knife Peak | 50.14° | 393' | 9,786' | 2,765' | MT | Flathead | Kintla Peak |
| 560 | Goat Haunt Mountain | 50.13° | 393' | 8,641' | 732' | MT | Glacier | Mount Cleveland |
| 619 | Reynolds Mountain | 49.61° | 386' | 9,156' | 1,351' | MT | Glacier | Logan Pass |
| 654 | "Clyde Peak" | 49.28° | 381' | 8,610' | 810' | MT | Flathead & Glacier | Mount Stimson |
| 674 | Crossley Benchmark | 49.12° | 379' | 9,357' | 345' | MT | Glacier | Mount Cleveland |
| 677 | Wahcheechee Mountain | 49.11° | 379' | 8,482' | 961' | MT | Glacier | Mount Cleveland |
| 702 | Bishops Cap | 48.95° | 377' | 9,150' | 411' | MT | Flathead & Glacier | Logan Pass |
| 803 | Cleveland, Mount | 48.19° | 367' | 10,469' | 5,253' | MT | Glacier | Mount Cleveland |
| 814 | Ptarmigan Wall | 48.11° | 366' | 8,447' | 727' | MT | Glacier | Many Glacier |
| 843 | Brown, Mount | 47.95° | 364' | 8,565' | 1,405' | MT | Flathead | Mount Cannon |
| 893 | Chief Mountain | 47.59° | 359' | 9,084' | 1,855' | MT | Glacier | Chief Mountain |