4.5
(2)
74
riders
9
rides
Mountain biking around Duarte offers access to diverse trail systems and natural landscapes, situated at the base of the San Gabriel Mountains. The area features a mix of multi-use paths and challenging mountain biking trails with significant elevation changes. Riders can explore paved bike paths alongside dirt sections, as well as rugged routes within the Angeles National Forest. The terrain often includes rocky and rutted sections, providing varied experiences for mountain bikers.
Last updated: July 3, 2026
4.5
(2)
17
riders
38.9km
03:36
1,190m
1,550m
Tackle the difficult 24.2-mile Glendora Mountain Road and Lower Monroe Truck Trail mountain bike route, featuring challenging climbs and exp
29
riders
22.3km
02:38
820m
820m
Experience a moderate 13.9-mile mountain bike ride on the Lower Monroe Truck Trail, known for its sustained climb and long descent.

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56.2km
07:11
2,170m
2,170m
The Mt. Wilson Enduro Loop is a demanding mountain biking route near Los Angeles, famous for its extensive downhill sections and technical challenges. You'll encounter a mix of flowy singletrack and rock-strewn descents, with narrow passages and insane switchbacks that require sharp skills. The trail winds through dense forests and past rocky outcrops, offering spectacular panoramic views that stretch for miles, making the effort worthwhile for experienced riders.
Planning your ride means considering the significant 7127 feet (2172 metres) of elevation gain over 34.9 miles (56.2 km); many opt for a shuttle to the top to focus on the thrilling descent. The route is rated difficult and takes around 7 hours and 10 minutes, so start early. Be aware that portions can be overgrown or washed out, and you'll be sharing the trail with hikers, so ride with care.
This trail is a favorite among advanced mountain bikers for its
8.76km
01:07
420m
430m
The Upper and Lower Winter Creek Trail Loop offers a challenging mountain biking experience through the Angeles National Forest, featuring a mix of packed dirt, decomposed rock, and technical sections. You'll navigate a great singletrack climb on the Upper Winter Creek Trail and tricky rock sections with switchback descents on the Lower Winter Creek Trail, passing unique historic cabins along the way. This moderate 5.4-mile (8.8 km) route includes 1388 feet (423 metres) of elevation gain and takes about 1 hour and 6 minutes, making it ideal for experienced riders seeking varied terrain.
Planning your ride on the Upper and Lower Winter Creek Trail Loop requires a bit of foresight, especially regarding parking at Chantry Flats, which can fill up quickly on weekends and requires an Adventure Pass. The trail sees heavy foot traffic from hikers, particularly on weekends, so be mindful and practice good trail etiquette. While shaded sections offer respite, always carry plenty of water, especially during warmer periods.
One of the most notable aspects of this route is the presence of numerous historic vacation cabins, many from the 1920s, nestled along the trail and accessible only by foot or bike. The ride culminates with the notorious "Cardiac Hill," a steep, exposed paved fire road (2N40) climb back to Chantry Flats, which is a significant test of endurance and a defining feature of the Upper and Lower Winter Creek Trail Loop mountain biking difficulty.
1
riders
10.2km
01:11
340m
340m
The Lower Clamshell Truck Trail offers a diverse mountain biking adventure through the Monrovia Hillside Wilderness Preserve, blending wide fire roads with engaging singletrack. You'll navigate through canyons and encounter numerous steep, tight switchbacks that demand good control, especially on descents. The highlight is undoubtedly the Sunset Overlook, providing expansive views that can stretch all the way to downtown Los Angeles on a clear day, making this a rewarding ride for those who enjoy varied terrain.
To make the most of your ride, plan to access the trail near Ridgeside Drive, keeping in mind that parking might require a short walk to the trailhead. It's strongly advised to ride the 6.4 miles (10.2 km) route counterclockwise, starting near Canyon Park, to avoid inadvertently straying onto private land. This moderate trail, with its 1114 feet (340 metres) of elevation gain, typically takes about 1 hour and 10 minutes to complete, so an early start is often best.
This trail stands out in the region for its unique mix of terrain, offering both speed on fire roads and technical challenges on singletrack. It's a popular choice for mountain bikers in the Los Angeles County area, providing a solid workout and impressive vistas without being an all-day commitment. The dog-friendly nature of the trail also makes it a great option if you want to bring your leashed canine companion along for the ride.
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Mostly smooth fire road through Monrovia Hillside Wilderness, but with some steep and technical sections that might challenge beginners. Ride counterclockwise from Canyon Park and follow the signsβmany side trails cross private land. The descent includes tight switchbacks and a short singletrack section. You can stick to the main road or take the βadvancedβ trail, Cactus Road, for more climbs, exposure, and a fun technical finish.
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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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The Lower Monroe Truck Trail has a mix of terrain, starting with a flat, rocky doubletrack section that transitions into a gradual, twisty eight-mile climb up to Glendora Mountain Road. It starts with a 1.7-mile rock garden creek section; the trail features intermittent tree cover and narrows to singletrack in spots. After a sharp right turn, the trail climbs steadily for 6.2 miles, mostly exposed, with great views of the San Gabriel Valley at the 3.3-mile plateau, a popular rest point. At the top, a gate marks the turnaround for the fast-paced, twisting descent. Riders navigate rocky and rutted sections with trail-hugging vegetation, so gloves and water are essential. Be ready for the occasional pedestrian encounters, a cowbell comes in handy.
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At the junction of Lower Monroe Trail, Mystic Canyon Trail, and Lower Monroe Truck Trail is a great view over Glendora down in the south below.
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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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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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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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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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There are 7 mountain bike trails around Duarte listed on komoot, offering a range of experiences from moderate to difficult. These routes are highly rated by the komoot community, with an average score of 4.5 stars.
While many trails in the surrounding mountains offer significant challenges, the Duarte Bike Trail provides a more accessible option. This Class 1 bike path runs for about 1.6 miles and includes a paved section alongside a dirt area, suitable for those looking for a less strenuous ride. It also connects to the San Gabriel River Bicycle Path for extended, flatter routes.
For experienced riders seeking a challenge, the Mt. Wilson Enduro Loop is a difficult 34.9-mile trail in the Angeles National Forest with substantial elevation gain. Another option is the Glendora Mountain Road and Lower Monroe Truck Trail, a 24.2-mile difficult route known for its sustained climb and long descent.
Yes, the Upper and Lower Winter Creek Trail Loop is a moderate 5.4-mile (8.8 km) route that offers a loop experience. This trail provides a good option for those looking to start and end their ride in the same location.
Mountain biking in Duarte offers views of the San Gabriel Mountains. You can also explore the Duarte Bike Trail, which is built on a historic railway line and features an arched old bridge. The Santa Fe Flood Control Basin, part of the Santa Fe Dam Recreation Area, provides scenic views and natural trails accessible from the San Gabriel River Greenway.
Yes, Royal Oaks Park, which serves as a trailhead for the Duarte Bike Path, offers parking facilities. Many other trailheads in the Angeles National Forest also provide designated parking areas, though it's always advisable to check specific trail information for details.
Some areas within the Angeles National Forest may require an Adventure Pass for parking at certain trailheads. It's recommended to check the official Angeles National Forest website or local ranger stations for the most current permit requirements before heading out.
Spring and fall generally offer the most pleasant conditions for mountain biking in Duarte, with milder temperatures. Summer can be very hot, especially on exposed trails, so early morning rides are recommended. Winter can bring cooler temperatures and occasional rain, which might make some trails muddy or slippery.
The Duarte Bike Trail is an excellent family-friendly option. It's a relatively flat, multi-use path with both paved and dirt sections, suitable for riders of various ages and skill levels. It also connects to the San Gabriel River Bicycle Path, offering longer, gentle rides.
Many multi-use trails in the Duarte area, including sections of the Duarte Bike Trail and the San Gabriel River Bicycle Path, are dog-friendly. However, regulations can vary, especially within the Angeles National Forest. Always ensure your dog is on a leash and check specific trail rules before you go.
The mountain bike trails around Duarte are highly rated by the komoot community, with an average score of 4.5 stars from 2 reviews. Riders often praise the diverse terrain, from multi-use paths to challenging routes in the San Gabriel Mountains, and the stunning natural landscapes.
Duarte offers various dining options within the city, many of which are a short drive from the main trailheads like Royal Oaks Park. While there might not be cafes directly on the trails, you'll find places to refuel in town after your ride.


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