4.5
(2)
47
riders
9
rides
Mountain bike trails in San Gabriel Wilderness are found within the broader San Gabriel Mountains National Monument, offering a diverse network of routes. The landscape is characterized by rugged terrain, dense chaparral at lower elevations, and mixed pine and fir forests on higher slopes. Majestic peaks and significant river systems like the San Gabriel River define the region's natural features. This area provides extensive mountain biking opportunities across varying elevations and distances.
Last updated: May 1, 2026
10
riders
13.7km
01:20
330m
330m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
57.4km
06:11
2,000m
2,000m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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4
riders
29.7km
02:39
670m
670m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
8.76km
01:07
420m
430m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
1
riders
20.6km
03:07
1,300m
1,300m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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Popular around San Gabriel Wilderness
Explore the looped road around the summit of Mount Wilson, a prominent peak known for its historic Mount Wilson Observatory. The summit houses telescopes, solar towers, and the modern CHARA Array for stellar research. Standing at 5,710 feet, Mount Wilson offers sweeping views of the Los Angeles Basin, the Pacific Ocean, and the Channel Islands on clear days. This site also serves as a major broadcast hub for the Greater Los Angeles area, easy to see with the numerous antennas and relay facilities sticking out all over the summit.
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Chantrey Flats is the natural end for those riding the Sturtevant Trail. If you shuttled to Mt. Wilson with a friend then this is likely the end of the line for you. Others might need to ride back down to Altadena if they took the shuttle offered by SCOAoutdoors.net. And still others might be climbing their way back up to the top via the myriad of roads and trails that depart from this picnic area.
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Sturtevant Trail is one of the most diverse bits of trail in the San Gabriel Mountains. On the way down you'll encounter technical loose switchbacks, flowy sections, rock gardens, decomposed granite, and plenty of roots. Beware that this is a multi-use trail and can be busy with hikers, especially on weekends. Early mornings are the best time to ride, but always watch your speed, particularly around blind corners.
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The full Silver Moccasin Trail is nearly 14 miles of (mostly) downhill goodness. However, you can break it up into sections depending on your available time and fitness level. It's usually ridden downhill but as it is a multi-use trail you may encounter uphill hikers. Also, with this much downhill you'll likely want to ride this with a buddy so you can shuttle between the top and bottom.
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If you don't mind interrupting your downhill flow you can take a short detour on this road to Vetter Mountain. There's a fire lookout at the top that is staffed during the summer and gives you excellent views across the mountains.
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There is a packed dirt parking lot here with restrooms, a picnic table, and shade if you are lucky enough to be one of the first vehicles to arrive. From here you can hike across the road into Devil's Canyon, a stunning trek along a rocky seasonal stream. An Adventure Pass is required to park here.
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The highway 2 past Redbox (Mount Wilson) is currently closed (5/20/24). Look forward to the ride when the road reopens!
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Mount Wilson is a 5,710-foot summit in San Gabriel Mountains. It's easy to distinguish from the other tall peaks around this area due to how many antennas is has near the top of the mountain. They don't interrupt your views once you're up here, though.
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There are 9 mountain bike trails listed in the San Gabriel Wilderness on komoot, offering a range of experiences from moderate to difficult.
The terrain is characterized by its ruggedness, with dense chaparral at lower elevations and mixed pine and fir forests on higher slopes and ridge tops. You'll encounter varied surfaces, from moderate climbs to challenging, technical singletrack.
While many trails in the San Gabriel Wilderness are moderate to difficult, some sections or specific routes might be suitable for families with older children or those with good riding experience. Always check the specific trail details for elevation, distance, and technical difficulty before heading out with family.
The region is known for its majestic peaks, such as Mount San Antonio and Mount Baden-Powell, and significant river systems like the San Gabriel River. You might also encounter scenic water features like Cooper Canyon Falls or the alpine Crystal Lake. The landscape is rich with diverse vegetation, including vibrant spring wildflowers.
The mountain bike trails in San Gabriel Wilderness are highly rated by the komoot community, with an average score of 4.5 stars. Riders often praise the challenging terrain, scenic views within the forested mountain landscape, and the opportunity to explore varied environments from chaparral to pine forests.
Yes, there are several loop trails available. For example, the Mount Hillyer Loop is a moderate 8.5-mile route, and the Silver Moccasin Trail Loop offers a more challenging 35.7-mile experience.
The San Gabriel Wilderness offers mountain biking opportunities throughout much of the year. Spring brings vibrant wildflowers, while fall provides cooler temperatures. During winter, higher elevations may experience snow, making some trails inaccessible, but lower elevation routes can still be ridden. Always check local weather conditions and trail status before your ride.
Yes, the San Gabriel Wilderness features several difficult routes for experienced riders. The Silver Moccasin Trail Loop, at 35.7 miles with significant elevation gain, is a challenging option. Another demanding route is the Chilao Campground β Mount Hillyer loop from FEE AREA.
Trail distances vary significantly, catering to different fitness levels and time commitments. You can find shorter routes, such as the Mount Hillyer Loop at 8.5 miles, to much longer and more challenging rides like the Silver Moccasin Trail Loop, which spans 35.7 miles.
Many trailheads within the San Gabriel Mountains National Monument offer parking facilities. However, specific parking availability and any required permits (like an Adventure Pass) can vary by location. It's advisable to research the specific trailhead you plan to use for detailed parking information before your visit.
While the broader San Gabriel Mountains National Monument generally allows dogs on trails, specific rules can vary by trail and wilderness area designation. It's important to check the regulations for each individual trail you plan to ride, as some areas may have restrictions or require dogs to be on a leash.
Yes, there are several moderate trails perfect for intermediate riders. The Mount Hillyer Loop is a popular moderate option. Another good choice is the Devil's Canyon Trailhead β Mount Hillyer loop from Mount Mooney, which offers a good challenge without being overly technical.


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