The best MTB trails around Altadena
4.9
(17)
499
riders
13
rides
Last updated: October 21, 2025
48
riders
1. Mt. Lowe East Trail & Middle Sam Merrill Trail — Altadena
26.0km
03:33
1,220m
1,220m
Expert mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.7
(11)
118
riders
2. El Prieto Trail loop from Altadena
15.9km
01:30
420m
420m
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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36
riders
3. Andrea Wilson Triangle – Ye Alpine Tavern ruins loop from Altadena
28.6km
02:58
1,120m
1,120m
Expert mountain bike ride. Very good fitness required. Suitable for all skill levels.
13
riders
4. Mount Disappointment – Mueller Tunnel loop from Altadena
55.6km
05:53
2,090m
2,090m
Expert mountain bike ride. Very good fitness required. Suitable for all skill levels.
19
riders
5. Ye Alpine Tavern ruins loop from Montrose
16.1km
02:00
800m
800m
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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