| Ajax Peak | 3028 m | | West Big Hole Mountains |
| Jakes | 1417 m | | Packsaddle Area |
| Jew Peak | 1784 m | | Cour d'Alene Mountains |
| The Lonesome Bachelor | 2734 m | | Como Peaks |
| Jew | 2430 m | | Central Bitteroot Range |
| Boise Peak | 1655 m | | Saint Joe Baldy |
| Bluebird Point | 1671 m | | Northern Bitterroot Range |
| Bald | 1834 m | | Northern Bitterroot Range |
| Benchmark Hill | 1485 m | | Saint Joe Baldy |
| Brandy Peak | 2267 m | | Central Bitteroot Range |
| Bass Peak | 2670 m | | Central Bitteroot Range |
| Blodgett | 2248 m | | Central Bitteroot Range |
| Beetle Hump | 1872 m | | Northern Bitterroot Range |
| Bachelor Mountan | 2298 m | | Big Hole Divide |
| Bobtail Peak | 1261 m | | Cour d'Alene Mountains |
| Bishop | 2382 m | | Centennial Mountains |
| Birch Hill | 1685 m | | Northern Bitterroot Range |
| Arange Peak | 2659 m | | Centennial Mountains |
| Beaver Peak | 1638 m | | Cour d'Alene Mountains |
| Sawtell Peak | 3013 m | | Centennial Mountains |