4.3
(27)
2,613
riders
51
rides
Road cycling routes in South Hills Wilderness Area traverse a landscape characterized by rolling hills and canyons, formed by ancient volcanic activity. While the immediate wilderness area features multi-use unpaved trails, the surrounding Glendora region provides extensive paved roads suitable for road cycling. These routes often include scenic valleys and foothills, with elevations ranging from 740 feet to over 1200 feet at the highest points. The terrain offers varied gradients, from gradual ascents to more challenging climbs.
Last updated: August 6, 2026
259
riders
119km
07:16
2,840m
2,840m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(2)
198
riders
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

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5.0
(2)
241
riders
71.3km
04:31
1,630m
1,630m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
61
riders
135km
08:54
3,420m
3,420m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
21
riders
44.0km
03:13
460m
460m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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You can cycle across the top of the dam, which was constructed in 1928 to help control flooding in the region. It stands at 147 feet high, and today supports a myriad of outdoor recreation activities on the reservoir.
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The San Gabriel Dam is a rock‑fill structure completed in 1939 on the San Gabriel River and is used for flood control.
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Nice bike path. not much roads to cross. some are hilly but doable for newbies. It's our first time and we had a good time. just some areas are with a lot of homeless people, esp. the tunnels.
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Great view from the cycle path of the San Gabriel Mountains in the distance.
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This is where you leave Crystal Lake Road to get to Crystal Lake. Crystal Lake is a beautiful lake in the San Gabriel Mountains. If you want to stay the night, there are campsites on the banks of the lake.
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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 climb up Mount Baldy is a serious challenge, starting with a moderate grade that quickly intensifies as you ascend. As you pass through the village, the road narrows and steepens, with sections reaching 10-14% gradients and tight switchbacks that demand your focus. The final stretch to the summit, used in the Tour of California, offers a tough alpine ascent that tests even the most seasoned climbers.
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Great view of the Puddingstone Reservoir, a 250-acre man-made body of water. There is a road that runs along the perimeter of the reservoir and there is a spot to pull off the road to get a close up view of the water.
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While the immediate South Hills Wilderness Area primarily features unpaved multi-use trails suitable for mountain or gravel biking, the surrounding Glendora region offers a variety of paved road cycling routes. These routes traverse scenic valleys, foothills, and include challenging climbs like those found on Glendora Mountain Road. You'll find options ranging from easy loops to difficult paths with significant elevation gains.
There are over 40 road cycling routes available in the Glendora area, offering diverse experiences for cyclists. These include 9 easy routes, 20 moderate routes, and 11 difficult routes, catering to various skill levels and preferences.
Yes, the Glendora area offers several easy road cycling routes. An excellent option is the San Dimas Reservoir – San Dimas Canyon Park loop from Glendora, which is 28.0 km long and takes about 1 hour 21 minutes to complete. Another easy route is the San Gabriel River Greenway – Santa Fe Flood Control Basin loop from Glendora, covering 36.3 km in about 1 hour 38 minutes.
Experienced road cyclists seeking a challenge will appreciate routes with substantial climbs and longer distances. The Little Dalton Debris Basin – Glendora Ridge Road loop from Glendora is a difficult 71.3 km path featuring significant elevation gain and panoramic views. Glendora Mountain Road itself is renowned for its smooth surface and mountainous terrain, offering a rewarding experience.
Road cycling routes in the Glendora area offer diverse and scenic views. You can expect panoramic vistas of the San Gabriel Valley and the Angeles National Forest, especially from higher elevations like Glendora Mountain Road. Routes also pass through valleys, foothills, and near reservoirs, providing a mix of natural and urban landscapes.
The Glendora region generally offers favorable cycling conditions for much of the year. Spring brings pleasant temperatures and the possibility of wildflowers. Fall and winter also provide comfortable cycling weather, though it's always wise to check local forecasts. Summers can be hot, so early morning or late afternoon rides are recommended during those months.
Yes, many of the road cycling routes in the Glendora area are designed as loops, allowing you to start and end at the same point. Examples include the moderate Rubel Castle – Little Dalton Debris Basin loop from Glendora and the easy San Dimas Reservoir – San Dimas Canyon Park loop from Glendora.
The road cycling routes in the Glendora area are highly rated by the komoot community, with an average score of 3.97 stars from over 20 reviews. Cyclists often praise the varied terrain, from rolling hills to challenging climbs, and the scenic views of the San Gabriel Valley. The network offers options for different ability levels, making it a popular choice for many.
While the South Hills Wilderness Area itself might have limited direct public transport access, the city of Glendora is served by public transportation options. For specific routes like those starting near Glendora Mountain Road, it's advisable to check local bus schedules or ride-sharing services for connections to the starting points.
Yes, the city of Glendora, which serves as a common starting point for many road cycling routes, offers various cafes, restaurants, and shops where you can refuel and rest. You'll find options for refreshments before or after your ride within the city limits.
The elevation gain varies significantly depending on the route's difficulty. Easy routes like the San Dimas Reservoir – San Dimas Canyon Park loop from Glendora have around 291 meters of ascent. Moderate routes, such as the Rubel Castle – Little Dalton Debris Basin loop from Glendora, can feature over 700 meters of climbing. Difficult routes, like the Little Dalton Debris Basin – Glendora Ridge Road loop from Glendora, can exceed 1600 meters of elevation gain.
Many road cycling routes in the Glendora area start from locations within the city or at trailheads that offer parking. For routes originating in Glendora, you can often find street parking or designated lots. It's recommended to check specific route details or local city parking information for the most convenient options.


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