187 official trails lie within 25 miles of Fort Collins — 489 miles in total, 121 rated easy and 24 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 3,743 ft; the median trail gains 183 ft.
| Trail | Miles | Climb | Difficulty | Drive from town |
|---|---|---|---|---|
| Lookout Mountain Trail | 8.1 | 1,910 ft | Expert | 1 h 23 min · 31 mi |
| Bulwark Ridge Trail | 5.2 | 3,023 ft | Expert | 1 h 14 min · 35 mi |
| Round Mountain Trail | 4.2 | 2,684 ft | Hard | 42 min · 23 mi |
| Lone Pine Trail | 8.7 | 928 ft | Expert | 50 min · 32 mi |
| Crosier Mountain Garden Gate Trail | 4.3 | 2,352 ft | Hard | 53 min · 29 mi |
| Danner Pass Trail | 6.0 | 1,908 ft | Hard | 1 h 36 min · 36 mi |
| Fish Creek Trail | 6.2 | 1,288 ft | Hard | 1 h 42 min · 47 mi |
| Wintersteen Trail | 4.2 | 1,639 ft | Hard | 40 min · 20 mi |
| Greyrock Trail | 3.0 | 2,065 ft | Hard | 39 min · 22 mi |
| Ginny Trail | 5.0 | 1,385 ft | Hard | 1 h 18 min · 34 mi |
| Hewlett Gulch Trail | 5.8 | 1,105 ft | Hard | 44 min · 24 mi |
| Husted Trail | 3.0 | 1,720 ft | Hard | 1 h 13 min · 36 mi |
| Button Rock Mountain Trail | 3.2 | 1,648 ft | Hard | 1 h 11 min · 44 mi |
| Young Gulch Trail | 4.9 | 1,228 ft | Hard | 49 min · 26 mi |
| Timber Trail | 4.1 | 1,254 ft | Hard | 28 min · 12 mi |
| Crosier Mountain Glen Haven Trail | 3.2 | 1,483 ft | Hard | 1 h 07 min · 34 mi |
| Greer Road Spur C1 | 2.8 | 1,631 ft | Moderate | 1 h 58 min · 40 mi |
| North Fork Trail | 4.2 | 1,286 ft | Hard | 1 h 11 min · 35 mi |
| Miller Fork Trail | 3.5 | 1,182 ft | Hard | 1 h 12 min · 35 mi |
| Lion Gulch Trail | 3.3 | 1,276 ft | Moderate | 1 h 17 min · 48 mi |
| Storm Mountain Trail | 2.0 | 1,651 ft | Moderate | 1 h 05 min · 33 mi |
| Greyrock Meadows Trail | 2.7 | 1,237 ft | Moderate | 39 min · 22 mi |
| North Boundary Trail | 3.1 | 1,185 ft | Moderate | 1 h 13 min · 36 mi |
| Lower Lost Lake Trail | 3.0 | 1,227 ft | Moderate | 1 h 17 min · 36 mi |
Waterfalls: Lower Lost Lake Trail to Lost Falls
Summits: Lookout Mountain Trail to Lookout Mountain; Bulwark Ridge Trail to Signal Mountain; Round Mountain Trail to Sheep Mountain; Crosier Mountain Garden Gate Trail to Crosier Mountain
Lakes: Lower Lost Lake Trail to Lost Lake; North Gem Lake Trail to Gem Lake; Loveland Recreation Trail to Lower Hoffman Lake; Great Western Trail to Law Reservoir
Viewpoints: North Gem Lake Trail to Almost East Gemstone Peak; Arthur's Rock Trail to Arthur's Rock; Wild Loop Trail to Keyhole
Mountain passes: Lookout Mountain Trail to Donner Pass; Danner Pass Trail to Donner Pass
Rock formations: Button Rock Mountain Trail to Button Rock; Timber Trail to Arthurs Rock; Button Rock Trail to Button Rock; Howard Trail to Arthurs Rock
Nearby towns: Evans (21 mi) · Estes Park (28 mi) · Boulder (37 mi) · Cheyenne (42 mi)
All Colorado trail guides · Hiking by city · Dispersed camping rules