| 140A 140-A | | Big Belts | | 4,272 ft | -394 ft | 119 ft |
| 144 #144 | | Big Belts | | 3 miles | -124 ft | 1,641 ft |
| 145 #145 | | Big Belts | | 3 miles | -540 ft | 2,028 ft |
| 1906 Trail | | South Hills | | 2 miles | | 1,111 ft |
| 2006 Trail (north side) | | South Hills | | 4,252 ft | | 457 ft |
| 2006 Trail (south side) | | South Hills | | 2,495 ft | -108 ft | 64 ft |
| 2006 Trail above Arrowroot Drive | | South Hills | | 1,890 ft | | 103 ft |
| 2025 Trail | | Scratchgravel Hills | | 1 mile | | 472 ft |
| 4007 #4007 | | North Elkhorns | | 2 miles | -71 ft | 325 ft |
| Acropolis Crest Trail | | South Hills | | 1,831 ft | -209 ft | 13 ft |
| Acropolis Crest Upper Connector | | South Hills | | 1,978 ft | | 89 ft |
| Acropolis to Sparta | | South Hills | | 906 ft | -28 ft | 29 ft |
| Aftershock Trail | | South Hills | | 1 mile | -215 ft | 63 ft |
| Ambrose Trail | | South Hills | | 2 miles | -287 ft | 179 ft |
| Ambrose Trail (closed) | | South Hills | | 3,261 ft | -81 ft | 111 ft |
| Andy's Alternate | | Tenmile Creek Park | | 282 ft | -15 ft | |
| Andy's Trail | | South Hills | | 2,769 ft | -171 ft | 24 ft |
| Archery Range Trail #394 | | South Hills | | 2 miles | -234 ft | 161 ft |
| Around The Bend | | Spokane Hills South | | 2,932 ft | -60 ft | 121 ft |
| Ash Grove | | Helena | | 1 mile | -40 ft | 3 ft |
| Aspen Path | | North Elkhorns | | 2,438 ft | -170 ft | |
| Aspen Trail | | Priest Area | | 1 mile | -302 ft | 312 ft |
| Backside | | McMaster Hills | | 2,837 ft | -25 ft | 40 ft |
| Backside Trail | | South Hills | | 2,762 ft | -13 ft | 80 ft |
| Barking Dog Doubletrack #384 | | South Hills | | 3,914 ft | -38 ft | 345 ft |
| Barking Dog Singletrack | | South Hills | | 1 mile | -36 ft | 498 ft |
| Beartrap Gulch Trail #271 | | York | | 4 miles | -2,218 ft | 5 ft |
| Beattie Street Connector | | South Hills | | 623 ft | | 31 ft |
| Beaver Creek - Hauser Dam Trail | | Helena | | 1,063 ft | -3 ft | 19 ft |
| Beaver Creek - Hauser Dam Trail | | Helena | | 2 miles | -233 ft | 132 ft |
| Bee Line | | South Hills | | 482 ft | | 60 ft |
| Beggar's Canyon | | Scratchgravel Hills | | 3,071 ft | -244 ft | 10 ft |
| Belt Mountain Divide Middle #118 | | Big Belts | | 2 miles | -699 ft | 522 ft |
| Belt Mountain Divide North #118 | | Big Belts | | 4 miles | -273 ft | 2,508 ft |
| Belt Mountain Divide South #118 | | Big Belts | | 5 miles | -703 ft | 1,562 ft |
| Belt View To Virginia Dale | | South Hills | | 633 ft | -3 ft | 18 ft |
| Big Dorothy Trail | | South Hills | | 1,526 ft | -224 ft | |
| Bilk Mountain #232 | | Big Belts | | 7 miles | -3,616 ft | 1,257 ft |
| Black Forest Trail #382 | | South Hills | | 4,061 ft | -309 ft | 192 ft |
| Black Hall Meadows Trail | | Helena | | 2 miles | -51 ft | 738 ft |
| Blue Cloud Creek Two Track | | Priest Area | | 4,361 ft | -35 ft | 253 ft |
| Bompart Ridge | | South Hills | | 1,509 ft | -100 ft | 70 ft |
| Boulder Cutoff | | North Elkhorns | | 1,329 ft | -175 ft | |
| Boulder Lakes #142 | | Big Belts | | 5 miles | -2,816 ft | 978 ft |
| Boulder Two Track | | Priest Area | | 2 miles | -236 ft | 873 ft |
| Bridge to Fort | | Tenmile Creek Park | | 4,124 ft | -7 ft | 31 ft |
| Bull Run Trail (California to Saddle) | | South Hills | | 1,695 ft | -113 ft | |
| Bull Run Trail (Gold Rush to California) p | | South Hills | | 283 ft | -27 ft | |
| Butcherknife Gulch | | Scratchgravel Hills | | 1 mile | -15 ft | 721 ft |
| Bypass | | North Elkhorns | | 577 ft | | 54 ft |
| Bypass | | McMaster Hills | | 2,213 ft | -26 ft | 70 ft |
| Cabin Gulch | | Priest Area | | 4,133 ft | -442 ft | 11 ft |
| Camas Ridge #140 | | Big Belts | | 2 miles | -959 ft | 28 ft |
| Camas Ridge #140 | | Big Belts | | 1 mile | -469 ft | 36 ft |
| Canyon Trail | | McMaster Hills | | 2,221 ft | | 193 ft |
| Capitol View Trail | | South Hills | | 1,398 ft | -129 ft | 13 ft |
| Carpenter #238 | | Big Belts | | 3,635 ft | | 606 ft |
| Casey Meadows Trail #343 | | North Elkhorns | | 3 miles | | 1,439 ft |
| Casey Peak Trail #374 | | North Elkhorns | | 1 mile | -1,480 ft | 31 ft |
| Catch Up to Prickly Pear | | South Hills | | 606 ft | -111 ft | |
| Catch Up Trail - Doubletrack | | South Hills | | 1,138 ft | -102 ft | |
| Catch Up Trail - Singletrack | | South Hills | | 1,267 ft | -118 ft | |
| Cattle Drive | | McMaster Hills | | 1,795 ft | -94 ft | 3 ft |
| Cave Ridge #243 | | Big Belts | | 4 miles | -419 ft | 1,842 ft |
| Cave Ridge South #243 | | Big Belts | | 1 mile | -52 ft | 625 ft |
| Cayuse Mountain #235 | | Big Belts | | 4 miles | -357 ft | 2,376 ft |
| CDNST (FS 1897 to Priest Pass) #337 | | Helena | | 2 miles | -5 ft | 1,190 ft |
| CDNST (MacDonald Pass to Switchback Ridge) #337 | | MacDonald Pass | | 3 miles | -400 ft | 691 ft |
| CDNST (NF 136 to Austin Mullan Pass Rd) #337 | | Helena | | 11 miles | -2,251 ft | 1,163 ft |
| CDNST (Priest Pass to Austin Mullan Pass) #337 | | Helena | | 2 miles | -334 ft | 245 ft |
| CDNST (Switchback Ridge to Hahn Creek Rd.) #337 | | MacDonald Pass | | 3 miles | -485 ft | 419 ft |
| CDNST Jericho Saddle to Hahn Connector | | Rimini | | 4,055 ft | -10 ft | 192 ft |
| CDNST MacDonald Pass | | MacDonald Pass | | 1,870 ft | -6 ft | 124 ft |
| CDT (Flesher to Stemple) | | Helena | | 9 miles | -1,490 ft | 1,850 ft |
| CDT (Stemple Pass to NF 136) | | Helena | | 18 miles | -4,085 ft | 4,679 ft |
| Centennial - Tenmile Connection | | South Hills | | 1,765 ft | -11 ft | |
| Centennial Gulch | | York | | 2 miles | -639 ft | 54 ft |
| Centennial Trail | | South Hills | | 3 miles | -62 ft | 105 ft |
| Charlie's Trail | | South Hills | | 1,483 ft | -184 ft | |
| Colorado Mountain Trail | | Helena | | 3 miles | -13 ft | 1,322 ft |
| Connection | | Scratchgravel Hills | | 2,313 ft | -153 ft | |
| Connector | | McMaster Hills | | 878 ft | -24 ft | 50 ft |
| Connector | | Helena | | 2,205 ft | | 83 ft |
| Connector | | McMaster Hills | | 705 ft | -52 ft | |
| Connector | | Tenmile Creek Park | | 892 ft | | 79 ft |
| Connector | | South Hills | | 203 ft | | 9 ft |
| Connector | | Priest Area | | 239 ft | | |
| Connector | | Priest Area | | 667 ft | -6 ft | 16 ft |
| Connector | | Priest Area | | 2,109 ft | -64 ft | 64 ft |
| Connector | | North Elkhorns | | 1,391 ft | -123 ft | |
| Connector | | Helena | | 679 ft | | 9 ft |
| Connector | | Scratchgravel Hills | | 1,293 ft | -40 ft | |
| Connector | | Scratchgravel Hills | | 1,470 ft | | 51 ft |
| Connector | | Scratchgravel Hills | | 1,634 ft | | 124 ft |
| Connector | | Scratchgravel Hills | | 1,690 ft | -78 ft | |
| Connector | | Spokane Hills South | | 1,532 ft | | 135 ft |
| Connector | | Scratchgravel Hills | | 181 ft | | 30 ft |
| Connector | | North Elkhorns | | 1,765 ft | | 74 ft |
| Connector | | North Elkhorns | | 351 ft | -7 ft | |
| Connector | | North Elkhorns | | 2,051 ft | -36 ft | 23 ft |
