75 official trails lie within 25 miles of Aurora — 154 miles in total, 74 rated easy and 0 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 143 ft; the median trail gains 42 ft.
| Trail | Miles | Climb | Difficulty | From town |
|---|---|---|---|---|
| Yellow Unpaved Loop | 7.2 | 143 ft | Moderate | 23 mi |
| Orange Single Track Trail | 3.9 | 124 ft | Easy | 20 mi |
| Yellow Unpaved Trail | 5.4 | 75 ft | Easy | 22 mi |
| Yellow Single Track Trail | 3.0 | 135 ft | Easy | 20 mi |
| CAMBr Yellow Trail | 5.0 | 54 ft | Easy | 24 mi |
| Black Single Track Trail | 4.0 | 105 ft | Easy | 21 mi |
| Brown Unpaved Trail | 3.9 | 92 ft | Easy | 23 mi |
| CAMBR Brown Trail | 4.6 | 60 ft | Easy | 23 mi |
| Blue Single Track Trail | 2.2 | 86 ft | Easy | 20 mi |
| Tan Unpaved Trail | 2.5 | 100 ft | Easy | 22 mi |
| Green Unpaved Trail | 2.1 | 80 ft | Easy | 22 mi |
| North Ring Route | 2.0 | 116 ft | Easy | 11 mi |
| Poplar Creek Yellow Unpaved Trail | 3.7 | 58 ft | Easy | 19 mi |
| Orange Unpaved Trail | 1.9 | 86 ft | Easy | 20 mi |
| Cemetery Hill Loop | 1.9 | 64 ft | Easy | 21 mi |
| Sag Valley Brown Unpaved Loop | 2.9 | 46 ft | Easy | 20 mi |
| Red Single Track Trail | 4.0 | 27 ft | Easy | 22 mi |
| Tan Single Track Trail | 1.6 | 63 ft | Easy | 21 mi |
| Northwestern Medicine XC Course | 2.1 | 51 ft | Easy | 8 mi |
| Sag Valley Red Unpaved Trail | 2.5 | 49 ft | Easy | 20 mi |
| CAMBr Orange Trail | 3.6 | 29 ft | Easy | 24 mi |
| Poplar Creek Brown Unpaved Trail | 2.6 | 66 ft | Easy | 21 mi |
| Henslow's Trail | 2.0 | 42 ft | Easy | 7 mi |
| Outer Ring Loop | 2.1 | 57 ft | Easy | 13 mi |
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