The best MTB trails in the San Bernadino Mountains
4.5
(9)
330
riders
39
rides
Last updated: November 13, 2025
5.0
(4)
52
riders
1. Skyline Trail Loop – Big Bear South Shore Trail Network
36.3km
03:31
650m
650m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
11
riders
2. Exploration Loop – Snow Valley Mountain Resort
13.4km
01:17
390m
390m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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4.0
(1)
9
riders
3. Beginner Loop — Snow Summit Bike Park
14.2km
01:24
370m
380m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4
riders
4. Santa Ana River Trail loop (Post Office Section) – San Bernardino National Forest
33.3km
03:37
1,090m
1,090m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
1
riders
5. Big Gravel Loop – Big Bear South Shore Trail Network
44.0km
03:55
1,370m
1,370m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
3
riders
6. Cougar Crest Trail – San Bernardino National Forest
11.7km
01:19
380m
380m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
7. Santa Ana River Trail – San Bernardino National Forest
21.2km
01:58
350m
480m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
1
riders
8. Crafton Hills Loop – Crafton Hills Preserve
17.3km
01:42
450m
450m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
1
riders
9. Canyon Loop – Crafton Hills Preserve
3.96km
00:25
100m
110m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
2
riders
10. Highway 38 Loop – Crafton Hills Preserve
12.7km
01:03
210m
210m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
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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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