251 official trails lie within 25 miles of Boise City — 1,063 miles in total, 118 rated easy and 45 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 4,269 ft; the median trail gains 506 ft.
| Trail | Miles | Climb | Difficulty | From town |
|---|---|---|---|---|
| Bogus Basin | 16.1 | 3,509 ft | Expert | 11 mi |
| Cottonwood | 8.0 | 3,352 ft | Expert | 20 mi |
| Danskin #500 | 12.1 | 428 ft | Expert | 17 mi |
| Johnny Woods-Placer Creek | 9.1 | 1,886 ft | Expert | 20 mi |
| Idaho City-Horseshoe Bend | 30.0 | 2,551 ft | Expert | 21 mi |
| Idaho State Highway 21 | 125.9 | 4,269 ft | Hard | 5 mi |
| New Yorker-Greenland Gulch | 7.3 | 2,189 ft | Expert | 23 mi |
| Shaw Mountain Road | 8.4 | 2,052 ft | Expert | 9 mi |
| Dry Creek | 7.2 | 2,117 ft | Expert | 7 mi |
| Blacks Creek | 34.4 | 1,558 ft | Expert | 12 mi |
| Danskin #412 | 5.6 | 1,801 ft | Hard | 23 mi |
| Lucky Peak Trail | 6.0 | 1,988 ft | Hard | 9 mi |
| Sweet Connie | 6.1 | 1,985 ft | Hard | 11 mi |
| Gardiner Peak | 7.2 | 1,655 ft | Hard | 12 mi |
| Thorn-Idaho City | 9.4 | 1,431 ft | Hard | 22 mi |
| Atlanta Road (MF Boise R.) | 67.7 | 2,423 ft | Hard | 12 mi |
| Secondary | 7.8 | 1,420 ft | Hard | 20 mi |
| Danskin #300 | 8.5 | 810 ft | Expert | 19 mi |
| Easter Creek | 4.4 | 2,155 ft | Hard | 22 mi |
| Clear Creek | 7.7 | 1,237 ft | Hard | 17 mi |
| Danskin #310 | 6.1 | 1,217 ft | Hard | 24 mi |
| Robie Creek | 8.1 | 1,419 ft | Hard | 13 mi |
| Second Fork | 29.6 | 1,161 ft | Hard | 24 mi |
| 8th St Motorcycle | 4.2 | 1,902 ft | Hard | 5 mi |
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