The best MTB trails in Custer County
5.0
(1)
164
riders
18
rides
Last updated: October 27, 2025
64
riders
1. Fisher Creek loop — Stanley, Idaho
27.5km
02:23
590m
590m
Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
8
riders
2. Redfish Lake loop — Sawtooth Mountains
22.6km
02:20
580m
580m
Expert 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
riders
3. Harriman Trail — Sawtooth Mountains
53.9km
04:41
540m
540m
Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.
4. Washington Lake — Sawtooth Mountains
24.6km
02:59
950m
940m
Expert mountain bike ride. Very good fitness required. Suitable for all skill levels.
30
riders
5. Galena Lodge – Big Wood River loop from Sun Valley
34.5km
03:31
760m
760m
Intermediate mountain bike ride. Good fitness required. Advanced riding skills necessary.
15
riders
6. Galena Lodge – Smooth Gravel Road loop from Sun Valley
19.0km
01:49
310m
300m
Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.
6
riders
7. Mountainbike loop from Stanley
31.8km
03:46
1,150m
1,150m
Expert mountain bike ride. Very good fitness required. Suitable for all skill levels.
8
riders
8. Galena Lodge loop from Sun Valley
13.4km
01:19
260m
260m
Intermediate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
6
riders
9. Redfish Lake Marina loop from Stanley
22.0km
01:40
140m
140m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
3
riders
10. Marten Lake loop from Stanley
21.9km
01:57
380m
380m
Intermediate mountain bike ride. Good fitness required. 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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