11
riders
4
rides
Gravel biking around San Dimas offers diverse terrain at the foothills of the San Gabriel Mountains. The region is characterized by rolling hills, rugged canyons, and extensive networks of fire roads and truck trails. Riders can explore varied landscapes, from the challenging slopes of the San Gabriel Mountains to scenic loops around Puddingstone Reservoir. This area provides access to a mix of technical paths and less strenuous routes suitable for gravel cycling.
Last updated: May 16, 2026
4
riders
58.4km
04:38
1,220m
1,220m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
64.0km
05:19
1,580m
1,580m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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2
riders
18.9km
01:42
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1
riders
24.3km
01:47
440m
440m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The Palmer Evey Trail is a straightforward trail in the San Bernadino Mountains. If you want to get up to Potato Peak, there is a short spur trail to take you to the peak.
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The Burbank Trail is a popular trail in Claremont Hills Wilderness Park. The trail slowly climbs to a couple of viewpoints that have wonderful vistas of the an Gabriel Mountains.
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Mount Baldy Village & ski resort towers above the San Gabriel Valley & Los Angeles suburbs and is a lovely alpine community with a wonderful restaurant and a pub. It's a great place to stop, take in the incredible scenery, and refuel during your ride.
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The Marshall Canyon Trail is in La Verne, CA, starts at Oak Mesa Park and features 1,310 feet of climbing, reaching a max elevation of 2,424 feet. Known for its oak tree cover and lush terrain, itβs often referred to as "Sherwood Forest" due to its green, shady environment. The lower section is relatively flat, with more climbing occurring deeper into the canyon. For mountain bikers, there are many variations off the main trail that can add both milage and elevation to your ride. Adding the Claremont Loop, for example, can extend the ride by 4-5 miles and 800 vertical feet. The trail and surrounding area provides a refreshing NorCal feel, with shaded trails and a creek, contrasting with the typically hot and dry surrounding hills.
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Little Dalton Debris Basin is a small, man-made collecting pond in Big Dalton Canyon Wilderness Park. It is just off Big Dalton Canyon Road and Glendora Mountain road, which are both popular, challenging roads for biking.
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Glendora Mountain or Glendora Ridge Road is a very scenic mountain road located on the boundary of San Bernardino and Los Angeles counties. It is a great road ride with views and hills that will take your breath away.
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Newman Point is an awesome overlook area with a large parking lot off the side of Glendora Mountain Road. The overlook peers down at Morris Reservoir and West Covina off in the distance.
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The San Gabriel Canyon or otherwise known as Azusa Canyon road is a smooth paved road that winds its way through this historical canyon offering picturesque scenery of both the Morris and San Gabriel Reservoirs. The views are great as you pedal up the road with its mixture of rolling hills intermingled with the tranquil waters of the reservoirs.
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Gravel biking around San Dimas offers a diverse range of terrain. You'll find challenging mountain ascents and rugged, sun-baked slopes in the San Gabriel Mountains, which can include rocky, loose, and rutted sections. There are also more tranquil park trails, scenic loops around Puddingstone Reservoir, and extensive networks of truck trails and fire roads in the foothills and canyons. Some mountain routes can be steep and demanding, while reservoir loops offer a less strenuous experience.
While many of the routes in the San Gabriel Mountains are rated as difficult due to significant elevation gain, the area around Puddingstone Reservoir in Frank G. Bonelli Regional Park offers a less strenuous and scenic option. This loop provides a more accessible gravel biking experience with pleasant views, making it suitable for beginners or those looking for a more relaxed ride.
Many routes offer stunning vistas of the San Gabriel Mountains and the surrounding landscape. Along various trails, you can find highlights such as the View of Puddingstone Reservoir, the San Gabriel Canyon Road Scenic View, and the View of Morris Reservoir from Newman Point. You might also pass by the Mt. San Antonio Wildlife Sanctuary.
Yes, there are several notable loops. The San Gabriel Canyon loop is a popular 36.3-mile option with significant elevation gain. Another challenging loop is the Glendora Ridge Road to Mount Baldy Village loop, which covers 39.7 miles through the Angeles National Forest. For a slightly shorter option, consider the Newman Point Overlook β Little Dalton Debris Basin loop from Azusa Downtown.
San Dimas is generally suitable for gravel biking for much of the year, but the rugged, sun-baked slopes of the San Gabriel Mountains can be very warm in summer. Spring and fall offer more moderate temperatures, making for more comfortable rides, especially on routes with significant climbs. Winter can also be pleasant, though some higher elevation areas might experience cooler conditions.
Absolutely. Frank G. Bonelli Regional Park, which encompasses Puddingstone Reservoir, is an extensive area offering opportunities for picnics and other recreational activities. San Dimas Canyon Park also provides a natural setting with pine and oak woodlands, leading to a wildlife sanctuary, and is a great spot for a post-ride unwind. For more general park amenities, San Dimas Community Park and Walnut Creek Community Regional Park are available.
There are at least 6 gravel bike routes documented around San Dimas, ranging from moderate to difficult in terms of challenge. These routes offer a variety of experiences, from long mountain loops to shorter, scenic rides.
The komoot community frequently praises the diverse terrain and the stunning natural beauty of the San Dimas area. Riders particularly enjoy the challenging climbs and epic mountain scenery found in the San Gabriel Mountains, as well as the picturesque reservoir vistas and extensive network of fire roads that provide varied riding experiences.
Yes, the San Gabriel Mountains present several challenges. Routes in this area often feature significant elevation gain and can be quite demanding. The terrain itself can be rugged, with rocky, loose, and rutted sections, requiring good bike handling skills. Some steep sections on truck trails and fire roads may even necessitate pushing your bike. Always be prepared for demanding conditions and check your fitness level before attempting these routes.
Yes, some routes and nearby areas offer access to features related to the San Gabriel River. You might encounter highlights such as the End of San Gabriel River Bike Path, the San Gabriel River Greenway, or the San Gabriel River East Fork Trail, which can be explored in conjunction with your gravel biking adventure.
For a challenging route that is shorter than the major mountain loops, consider the Palmer Evey Trail loop from Claremont Graduate University. This route is 18.9 miles long with nearly 500 meters of elevation gain, offering a difficult ride that can be completed in under two hours.


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