The best MTB trails around Alum Rock
4.7
(18)
206
riders
15
rides
Last updated: November 13, 2025
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
5.0
(5)
33
riders
2. Alum Rock Park – Upper Penitencia Creek loop from Berryessa
17.5km
01:53
510m
510m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
Sign up for free
7
riders
3. Grant Lake – Mount Hamilton Observatory 🔭📡 loop from McKee
67.2km
05:05
1,570m
1,570m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
11
riders
4. Inspiration Point – Alum Rock Road loop from Milpitas
27km
01:53
310m
310m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
2
riders
5. Inspiration Point – Alum Rock Road loop from Berryessa
37.6km
03:05
840m
840m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Most popular attractions around Alum Rock
Get inspired with the komoot mobile app
Explore more
Browse the best MTB trails in other regions.
Get ready to conquer new peaks
Sign up for Free