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United States
California
Los Angeles County

Alhambra

The best gravel rides around Alhambra

5.0

(1)

61

riders

9

rides

Gravel biking around Alhambra, California, offers access to diverse trail networks and natural features. The region is characterized by its proximity to the San Gabriel Mountains, providing challenging terrain and significant elevation gains. Extensive river bike paths, such as the Los Angeles River Bike Path and the Rio Hondo and San Gabriel River Bicycle Paths, also contribute to the variety of gravel riding experiences. These routes often feature mixed surfaces, including asphalt, concrete, and dirt, catering to different cycling preferences.

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Last updated: May 16, 2026

5.0

(1)

17

riders

#1.

Mueller Tunnel – Mueller Tunnel loop from Allen

46.7km

04:38

1,710m

1,710m

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Tips from the Community

Traveler
August 25, 2025, Mueller Tunnel

Short tunnel on the eastern slope below San Gabriel Peak, part of the old Mt Lowe Motorway, that was never paved. The tunnel is very short, so you don't have to worry about bringing light. The road continues to the trailhead half a mile uphill.

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fresh pavement!

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Just below the Mtβ€―Wilson Trailhead on Red Box Road, this overlook and memorial is a perfect place to pause. Sit and take in sweeping views of the San Gabriel Valley, and read the memorial plaque honoring early conservation efforts.

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Henninger Flats sits along the road with views of Altadena. You’ll pass by it while climbing the Mt. Wilson Toll Road and can take a moment to catch your breath while enjoying the views. The route features a steady climb with minimal shade, so it’s best to start early, especially in summer. At the top, enjoy panoramic views of the San Gabriel Valley and explore the area, which includes a visitor center, picnic spots, and a tree nursery.

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There are lots of vintage shops and cafes in the historic downtown. Library Park is a great place to rest in the shade with a bite to eat before continuing your ride.

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Zachary
June 23, 2025, Mueller Tunnel

This tunnel was blasted into existence in 1942 to form the old Mount Lowe Motorway.

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Old Town Monrovia is a 10‑block historic district centered on Myrtle Avenue, that has brick‑lined sidewalks, vintage lampposts, and boutique shops.

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Climb out of the Brookside Golf Club area and into the Pasadena suburban area. This climb has a nice shoulder and is lined with trees.

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Frequently Asked Questions

What kind of terrain can I expect on gravel bike trails around Alhambra?

The gravel bike trails around Alhambra, California, offer a diverse range of terrain. You can expect mixed surfaces, including asphalt, concrete, and dirt, particularly along the extensive river bike paths like the Los Angeles River Bike Path and the Rio Hondo and San Gabriel River Bicycle Paths. Routes closer to the San Gabriel Mountains and areas like Turnbull Canyon feature more challenging, varied terrain with significant elevation changes.

How challenging are the gravel bike trails in Alhambra?

Gravel biking around Alhambra is generally challenging. All the routes listed in our guide are rated as difficult, featuring substantial elevation gains. For example, the Pasadena Historic City Hall – View from Mount Lukens loop from Memorial Park involves over 1,400 meters of ascent, and the Duarte Bike Trail – Red Box Gap loop from Lake climbs over 2,500 meters. Many routes require advanced riding skills and good fitness.

Are there any beginner-friendly gravel bike trails in Alhambra?

Currently, all the gravel bike routes highlighted in our guide for Alhambra are rated as difficult due to significant elevation gains and varied terrain. While the region offers diverse cycling options, those specifically categorized as gravel trails tend to be more suited for experienced riders. Beginners might find segments of the Los Angeles River Bike Path or Rio Hondo Bicycle Path more accessible, though these are not exclusively gravel.

What natural features or scenic views can I expect to see while gravel biking near Alhambra?

While gravel biking near Alhambra, you'll encounter diverse natural features. Routes often provide views of the San Gabriel Mountains and navigate through areas like Turnbull Canyon. The extensive river bike paths, such as the Los Angeles River Bike Path and the Rio Hondo and San Gabriel River Bicycle Paths, offer scenic routes through urban landscapes and areas rich in wildlife, like the Bosque del Rio Hondo. You might also pass by various lakes, including Silver Lake Reservoir and Legg Lake.

Are there any interesting landmarks along the gravel bike trails in Alhambra?

Yes, depending on the route, you might encounter several interesting landmarks. Some routes may pass near the Historic Colorado Street Bridge or offer views of significant urban structures. The Los Angeles River Bike Path at Fletcher Drive Bridge is a notable point along one of the major cycling arteries. While not directly on gravel trails, the proximity to downtown Los Angeles means attractions like the Walt Disney Concert Hall and The Broad are within reach.

Are there any loop trails for gravel biking in Alhambra?

Yes, all the gravel bike routes featured in our guide for Alhambra are loop trails. This allows you to start and finish at the same point, making logistics easier. Examples include the Arroyo Seco Bike Trail – Verdugo Peak loop from South Pasadena and the Turnbull Canyon – Turnbull Debris Basin loop from Rose Hills.

What do other gravel bikers enjoy most about gravel biking in Alhambra?

The gravel biking experience in Alhambra is highly rated by the komoot community, with an average score of 5.0 stars. Riders often praise the diverse trail networks, the challenging nature of the routes with significant elevation changes, and the opportunity to explore both urban and natural landscapes, including the proximity to the San Gabriel Mountains and extensive river paths.

What is the best time of year for gravel biking in Alhambra, California?

Alhambra, California, generally offers good gravel biking conditions year-round due to its mild climate. However, the cooler, drier months from fall through spring (October to May) are often preferred to avoid the higher temperatures of summer. Winter months typically have pleasant temperatures, though occasional rain can make some dirt sections muddy. Always check local weather conditions before heading out.

Are there any family-friendly gravel bike trails near Alhambra?

While many of the dedicated gravel routes around Alhambra are challenging, segments of the paved and mixed-surface river bike paths, such as the Los Angeles River Bike Path or the Rio Hondo Bicycle Path, can be more suitable for families. These paths offer flatter sections and a less technical riding experience. Always check the specific route details for distance and elevation to ensure it matches your family's ability.

Where can I find parking for gravel bike trails in Alhambra?

Parking availability varies by trailhead. For routes like the Arroyo Seco Bike Trail – Verdugo Peak loop from South Pasadena, you would typically look for parking in or near South Pasadena. For routes originating from areas like Rose Hills or Memorial Park, designated parking lots or street parking might be available. It's advisable to check specific starting points on komoot for detailed parking information before your ride.

Can I access gravel bike trails near Alhambra using public transport?

Alhambra and the surrounding Los Angeles area have a public transportation network, including bus services and some Metro Rail lines, that can get you close to various cycling routes. However, transporting a gravel bike on public transport might have restrictions, especially during peak hours. It's best to check the specific public transport provider's rules regarding bicycles and plan your route accordingly to reach trailheads.

How long are the gravel bike trails around Alhambra?

The gravel bike trails around Alhambra vary significantly in length. Our guide features routes ranging from approximately 20 miles (32 km) to over 70 miles (116 km). For instance, the Turnbull Canyon – Turnbull Debris Basin loop from Rose Hills is about 20.4 miles, while the Duarte Bike Trail – Red Box Gap loop from Lake extends to 72.2 miles, offering options for different endurance levels.

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