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Road cycling routes
United States
California
Los Angeles County

South Hills Wilderness Area

The best road cycling routes in South Hills Wilderness Area

4.4

(39)

2,939

riders

48

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.

Best road cycling…

Last updated: July 10, 2026

264

riders

#1.

Little Dalton Debris Basin – Crystal Lake Recreation Area loop from Glendora

119km

07:17

2,840m

2,840m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard
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Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

5.0

(1)

39

riders

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Popular around South Hills Wilderness Area

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Cycling in South Hills Wilderness Area

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Tips from the Community

mtm05005
June 20, 2025, San Gabriel River Dam

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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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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Halfway up the Highway 39 & Dawson Saddle climb, the Upper Bear Creek Trailhead is a good place to stop for a break if you need to catch your breath. While the trail itself is not suitable for road bikes, the trailhead has picnic tables and restrooms, so it is a good spot for a snack and quick breather.

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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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As you set foot on the trail you are treated to sweeping views of Coldburst Canyon. The trailhead has restrooms, a picnic table, and ample paved parking space. From here you can adventure up to Smith Mountain and Bear Creek.

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Zachary
September 19, 2024, Bosque del Rio Hondo

There is a parking lot and restroom here at the trailhead, which provides access to a large network of paved and packed dirt trails along the beautiful Rio Hondo. The trailhead closes at sunset.

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Frequently Asked Questions

What types of road cycling routes can I find in the South Hills Wilderness Area region?

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.

How many road cycling routes are available in the Glendora area?

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.

Are there any easy road cycling routes suitable for beginners or families?

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.

What are the best routes for experienced road cyclists looking for a challenge?

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.

What kind of views can I expect on road cycling routes near South Hills Wilderness Area?

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.

What is the best time of year for road cycling in Glendora?

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.

Are there any circular road cycling routes in the area?

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.

What do other cyclists say about road cycling in the South Hills Wilderness Area region?

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.

Is public transport available to access road cycling routes in Glendora?

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.

Are there any cafes or places to refuel near the road cycling routes?

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.

What is the typical elevation gain on road cycling routes in this region?

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.

Are there specific parking areas for road cyclists accessing routes in Glendora?

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.

Most popular routes in South Hills Wilderness Area

Easy hikes in South Hills Wilderness Area

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