123 official trails lie within 25 miles of Spearfish — 354 miles in total, 88 rated easy and 9 hard or expert. Every distance and elevation figure below is computed from the agency centerline and a 10 m elevation model, not crowd-sourced.
The biggest climb nearby gains 1,694 ft; the median trail gains 286 ft.
| Trail | Miles | Climb | Difficulty | From town |
|---|---|---|---|---|
| Centennial On Northern Hills | 22.1 | 1,422 ft | Expert | 20 mi |
| Snow-4 | 14.9 | 1,694 ft | Expert | 12 mi |
| George S. Mickelson Trail | 14.8 | 1,226 ft | Expert | 9 mi |
| Snow-1 | 14.8 | 991 ft | Expert | 14 mi |
| Snow-5 | 13.3 | 652 ft | Expert | 23 mi |
| Snow-7 | 9.0 | 606 ft | Hard | 17 mi |
| Snow-7C | 7.2 | 1,065 ft | Hard | 18 mi |
| Crow Peak | 3.2 | 1,584 ft | Hard | 7 mi |
| Rimrock | 4.8 | 719 ft | Moderate | 14 mi |
| Centennial Trail #89 | 4.3 | 630 ft | Moderate | 17 mi |
| Eagle Cliff Dead Ox | 3.7 | 821 ft | Moderate | 18 mi |
| Stageyard 150 | 4.8 | 411 ft | Moderate | 17 mi |
| Snow-3 | 4.6 | 531 ft | Moderate | 15 mi |
| Big Hill Loop C | 4.4 | 520 ft | Moderate | 8 mi |
| Eagle Cliff Roller Coaster | 3.1 | 736 ft | Moderate | 18 mi |
| Summit Trail | 1.5 | 1,039 ft | Moderate | 19 mi |
| Limestone 100 | 4.1 | 473 ft | Moderate | 15 mi |
| Big Hill Loop D | 4.5 | 343 ft | Moderate | 8 mi |
| Homestake Trail | 2.8 | 558 ft | Moderate | 9 mi |
| Forest Service 191 | 3.4 | 464 ft | Moderate | 25 mi |
| Limestone 101 | 2.6 | 555 ft | Moderate | 15 mi |
| Stageyard 151 | 3.0 | 511 ft | Moderate | 17 mi |
| Lower Deadman | 2.8 | 492 ft | Moderate | 17 mi |
| Snow-7A | 4.5 | 328 ft | Moderate | 17 mi |
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