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Routes
Road cycling routes
United States
California
Los Angeles County

Glendora

The best road cycling routes around Glendora

4.3

(27)

2,493

riders

61

rides

Road cycling around Glendora offers diverse landscapes at the base of the San Gabriel Mountains. The region features challenging climbs, scenic mountain roads, and extensive networks of multi-use trails. Cyclists can experience significant elevation gains through foothills and valleys, with routes often providing panoramic views of the San Gabriel Valley. This varied terrain caters to a range of skill levels, from gentle paths to demanding mountain ascents.

Best road cycling routes around Glendora

  • The most popular road cycling route is Rubel Castle – Little Dalton Debris Basin loop from APU/Citrus College, a 72.2 miles (116.1 km) trail that takes 7 hours 3 minutes to complete. This difficult route features significant elevation gain through the mountainous terrain.
  • Another top favourite among local road cyclists is Rubel Castle – Little Dalton Debris Basin loop from Glendora, a moderate 19.0 miles (30.5 km) path. This route offers a balanced experience through the Glendora foothills, combining climbs with scenic sections.
  • Local road cyclists also love the San Gabriel River Greenway – Santa Fe Flood Control Basin loop from Glendora, a 22.6 miles (36.3 km) trail leading through river greenways and basins, often completed in about 1 hour 38 minutes.
  • Road cycling around Glendora is defined by the San Gabriel Mountains, scenic valleys, and extensive foothills. The network offers options for different ability levels, from easy, flatter paths to advanced routes with substantial climbs.
  • The routes in Glendora are highly rated by the komoot community with an average score of 4.2 stars from over 20 reviews. More than 2000 road cyclists have used komoot to explore Glendora's varied terrain.

Last updated: May 14, 2026

3.0

(1)

25

riders

#1.

Bonelli Trail

15.2km

01:26

150m

150m

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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Easy

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

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

Hard

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy

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

Hard
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Popular around Glendora

Bikepacking California — Into The Desert

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Cycling around Glendora

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Bikepacking California — Into The Desert

Cycling Collection by

Liam Yates

Tips from the Community

Zachary
June 27, 2025, Puddingstone Dam

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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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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One of the best dedicated bike trails in the LA area, leading from the San Gabriel mountains north of Azuza along a car free paved river route all the way to Seal beach

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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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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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Frequently Asked Questions

How many road cycling routes are available around Glendora?

The Glendora area offers over 10 road cycling routes, catering to various skill levels. You'll find 6 easy routes, 4 moderate routes, and 2 challenging routes, ensuring options for every cyclist.

What are some of the most scenic road cycling routes in Glendora?

Many routes offer stunning views, especially those venturing into the San Gabriel Mountains. Glendora Mountain Road (GMR) is particularly renowned for its breathtaking panoramic views of the San Gabriel Valley and Angeles National Forest. You can experience these vistas on routes like the Glendora Ridge Road – Mount Baldy loop from APU/Citrus College, which also offers views of the San Gabriel Reservoir and Mount Baldy.

Are there challenging road cycling routes with significant elevation gain?

Yes, Glendora is known for its challenging climbs, particularly on routes that ascend into the San Gabriel Mountains. For instance, the Rubel Castle – Little Dalton Debris Basin loop from APU/Citrus College is a difficult route with over 2,700 meters of elevation gain. Glendora Mountain Road (GMR) itself is a significant climb, with some routes featuring up to 4,000 feet of elevation gain.

What kind of terrain can I expect on road cycling routes in Glendora?

Road cycling in Glendora offers diverse terrain, from gentle paths through river greenways and basins to demanding mountain ascents. You'll find well-paved surfaces on routes like Glendora Mountain Road, which is known for its smooth ride, as well as routes that navigate the foothills and valleys of the San Gabriel Mountains.

Are there any family-friendly or easy road cycling options in Glendora?

Yes, Glendora offers several easier routes suitable for a more relaxed ride. The San Gabriel River Greenway – Santa Fe Flood Control Basin loop from Glendora is an easy 22.6-mile trail that leads through river greenways and basins, offering a relatively flat experience.

What do other road cyclists enjoy most about cycling in Glendora?

The Glendora area is highly rated by the komoot community, with an average score of 4.2 stars from over 20 reviews. Cyclists often praise the diverse landscapes, from challenging mountain climbs with panoramic views to more gentle routes through scenic valleys and greenways. The well-maintained roads and the opportunity to experience iconic climbs like Glendora Mountain Road are frequently highlighted.

Are there any points of interest or landmarks along the road cycling routes?

Yes, several routes pass by interesting landmarks and natural features. For example, the Rubel Castle – Little Dalton Debris Basin loop from Glendora offers a balanced experience through the foothills. You might also encounter highlights like the View of Puddingstone Reservoir or the Little Dalton Debris Basin on various routes.

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

Glendora's climate, nestled at the base of the San Gabriel Mountains, generally allows for year-round cycling. However, spring and fall often offer the most pleasant temperatures for longer rides, especially for routes with significant elevation gain. Summer can be hot in the valleys, while winter can bring cooler temperatures and occasional rain, particularly at higher elevations.

Are there any loop trails for road cycling in Glendora?

Yes, many of the road cycling routes around Glendora are designed as loops, offering a continuous ride without retracing your path. Examples include the View of Puddingstone Reservoir – Rubel Castle loop from APU/Citrus College and the San Gabriel River Greenway – Santa Fe Flood Control Basin loop from Glendora.

What makes Glendora Mountain Road (GMR) a popular choice for road cyclists?

Glendora Mountain Road (GMR) is a favorite due to its exceptional scenic beauty, offering breathtaking panoramic views of the San Gabriel Valley and Angeles National Forest. It provides a challenging yet rewarding experience with constant climbs and turns, relatively low vehicular traffic, and generally well-paved surfaces, making it a prime destination for road cyclists of varying skill levels.

Are there any trails or cycleways that connect to the road cycling routes?

Yes, Glendora's location provides access to various trails and cycleways that can complement road cycling. You might find connections to the San Gabriel River Greenway or the Duarte Bike Trail, offering additional options for extending your ride or exploring different types of terrain.

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