9
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Gravel bike trails around Glendora are situated at the foothills of the San Gabriel Mountains, offering diverse landscapes for cycling. The region is characterized by mountainous terrain, providing access to the Angeles National Forest. Gravel routes feature a mix of hardpack dirt, small rocks, and significant elevation gains, with many trails leading through rugged natural areas.
Last updated: July 7, 2026
4
riders
64.0km
05:19
1,580m
1,580m
This difficult 39.7-mile gravel biking loop offers epic mountain views and a challenging climb through Angeles National Forest.
2
riders
58.4km
04:38
1,220m
1,220m
Challenging 36.3-mile gravel biking loop in the San Gabriel Mountains, featuring 3994 feet of climbing and stunning reservoir views.

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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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There are over 5 gravel bike trails around Glendora, offering diverse experiences from challenging mountain climbs to scenic loops. These routes are situated at the foothills of the San Gabriel Mountains, providing access to the Angeles National Forest.
You can expect a wide variety of terrain, from hardpack dirt and small rocks on trails like Big Tree Cucamonga - 1N34 and Mescal Canyon Road, to more challenging routes with significant elevation gains. Many trails, such as the Glendora Ridge Road to Mount Baldy Village loop, feature long gradual climbs and epic mountain views through the Angeles National Forest.
While many routes in Glendora present a significant challenge with considerable elevation gains, the area does offer options for various skill levels. Some sections of iconic roads like Glendora Mountain Road (GMR) are accessible to riders of different abilities, though the overall terrain tends towards more difficult rides.
Parking is generally available at various access points to the trails, particularly near the starts of popular routes like Glendora Mountain Road (GMR) and Glendora Ridge Road (GRR). Specific parking details can often be found on individual route pages or local cycling forums.
Generally, permits are not required for gravel biking on established roads and trails within the Angeles National Forest. However, it's always advisable to check the latest regulations from the U.S. Forest Service or local authorities before heading out, especially for specific wilderness areas or during fire season.
Yes, after a long ride, you can find places to refuel. For example, if you complete the Glendora Ridge Road to Mount Baldy Village loop, Mount Baldy Village offers options to grab food and drinks.
Many trails offer breathtaking views. Glendora Mountain Road (GMR) and Glendora Ridge Road (GRR) are renowned for their panoramic vistas of the Greater Los Angeles region and the San Gabriel Mountains. Specific highlights include the View of Puddingstone Reservoir, San Gabriel Canyon Road Scenic View, and the View of Morris Reservoir from Newman Point, which you can experience on routes like the Newman Point Overlook β Little Dalton Debris Basin loop from Azusa Downtown.
Beyond the gravel trails, Glendora offers several attractions. You can explore other trails like the Duarte Bike Trail or the Marshall Canyon Trail. Natural features like the Little Dalton Debris Basin and the Mt. San Antonio Wildlife Sanctuary also provide opportunities for exploration and enjoying the natural beauty of the region.
While many of Glendora's gravel routes involve significant elevation and challenging terrain, some sections or shorter loops might be suitable for families with older, more experienced children. For easier, paved options, consider exploring parts of the Duarte Bike Trail or the San Gabriel River Greenway, which offer smoother surfaces.
The best time for gravel biking in Glendora is typically during the cooler, drier months of spring and fall. Summers can be very hot, especially at lower elevations, while winter can bring rain and cooler temperatures to the mountains. Always check weather and trail conditions before heading out.
Yes, Glendora offers several excellent loop gravel bike trails. Popular options include the San Gabriel Canyon loop, which explores varied terrain, and the challenging Glendora Ridge Road to Mount Baldy Village loop. Another great loop is the Newman Point Overlook β Little Dalton Debris Basin loop from Azusa Downtown.
After rain, gravel bike trails in Glendora, especially those in the San Gabriel Mountains and Angeles National Forest, can become muddy, slippery, and potentially impassable due to washouts or rockfalls. It's recommended to allow trails ample time to dry out before riding to ensure safety and prevent trail damage. Always check local trail reports for current conditions.


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