The best MTB trails in Boulder County
4.4
(95)
4,151
riders
216
rides
Last updated: December 17, 2025
4.8
(5)
218
riders
29.0km
02:35
330m
330m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
3.0
(4)
208
riders
14.6km
01:36
420m
420m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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4.8
(5)
196
riders
24.9km
02:11
260m
260m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.5
(6)
201
riders
18.6km
01:47
440m
440m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.3
(4)
170
riders
22.0km
02:03
310m
310m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.0
(2)
105
riders
12.6km
01:27
420m
420m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
74
riders
15.6km
01:37
370m
370m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
3.5
(2)
19
riders
52.0km
05:07
1,190m
1,190m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(1)
12
riders
29.0km
03:01
700m
700m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
14
riders
4.03km
00:23
60m
60m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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