1.
Mueller Tunnel β 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.
View route
By Fede from komoot
Β·
Updated June 2, 2026
If you've ever tried to plan gravel biking around San Pasqual, you know how quickly the options can become overwhelming. With so many trails crisscrossing the valley, it's tough to figure out which routes are genuinely worth your time and effort, and which are just filler. We've been there, and we know the frustration of sifting through endless possibilities.
That's where komoot comes in. Our community has ridden, mapped, and reviewed countless routes here, and we've distilled that collective wisdom into a curated shortlist. Consider this your shortcut to the best gravel biking San Pasqual has to offer, saving you the guesswork and getting you straight to the good stuff.
Gravel biking in San Pasqual is all about diverse landscapes and challenging climbs. You'll find yourself pedaling through scenic agricultural expanses, rolling hills, and dense chaparral, often with panoramic views of the wide San Pasqual Valley. The terrain varies from dirt roads and doubletrack to some spicier singletrack sections, with elevation gains that demand good fitness. While the region offers a range from moderate to difficult, be prepared for significant climbs on most routes.
If you're looking for a serious challenge that rewards you with incredible views, we'd start with the Mueller Tunnel β Mueller Tunnel loop from Allen. This difficult route covers 29.0 miles (46.7 km) with a substantial 5,625 feet (1,714 m) of elevation gain, making it a true test of endurance. For a slightly shorter but equally demanding ride, the Ye Alpine Tavern ruins β Inspiration Point loop from John Muir High School is a fantastic option at 15.2 miles (24.4 km) and 3,511 feet (1,070 m) of climbing. With over 50 komoot users already exploring these trails and an average rating of 5.0 stars, you know you're in for a treat. Get out there and discover your next favorite ride!
Trail | Distance | Elevation | Difficulty |
|---|---|---|---|
| Mueller Tunnel β Mueller Tunnel loop from Allen | 46.7Β km | 1,710Β m | Hard |
| Ye Alpine Tavern ruins β Inspiration Point loop from John Muir High School | 24.5Β km | 1,070Β m | Hard |
| Pasadena Historic City Hall β La Tuna Canyon Road loop from Memorial Park | 53.0Β km | 1,060Β m | Hard |
| Pasadena Historic City Hall β View from Mount Lukens loop from Memorial Park | 53.6Β km | 1,460Β m | Hard |
| Devil's Gate Dam β View of Downtown Los Angeles in Distance loop from Altadena | 19.5Β km | 330Β m | Moderate |
46.7km
04:38
1,710m
1,710m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
View route
24.5km
02:34
1,070m
1,070m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
View route
53.0km
03:51
1,060m
1,060m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
View route

Sign up for free
53.6km
04:51
1,460m
1,460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
View route
19.5km
01:29
330m
330m
The Devil's Gate Dam β View of Downtown Los Angeles in Distance loop from Altadena offers a dynamic gravel biking experience, blending natural beauty with urban panoramas. You'll navigate a mix of paved and unpaved sections through the Hahamongna Watershed Park, where the terrain provides a steady challenge. The ride culminates in sweeping views across the San Gabriel Valley, with the iconic downtown Los Angeles skyline visible in the distance, making it a rewarding outing for those seeking scenic spots.
This moderate 12.1-mile (19.5 km) gravel loop, with 1096 feet (334 metres) of elevation gain, typically takes around 1 hour and 29 minutes to complete. It's best suited for experienced gravel riders with good fitness. Be mindful that sediment removal projects near the Devil's Gate Dam can sometimes affect trail access or conditions, so it's wise to check for updates before you set out.
Beyond the ride itself, the Devil's Gate Dam holds historical significance as the oldest dam in Los Angeles County, built in 1920. Its location within the Hahamongna Watershed Park also means you're traversing an important wildlife habitat and corridor. This combination of history, ecology, and impressive distant city views sets this Altadena gravel biking trail apart from other routes in the region.
View route
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.
0
0
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.
0
0
Henninger Flats sits along the road with views of Altadena. Youβll 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 itβs 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.
0
0
For a ride with history and views, check out the Ye Alpine Tavern ruins in the San Gabriel Mountains. Once a popular mountain resort, it burned down in 1936 and was later demolished, but you can still spot the stone fireplace, foundation, and water tank.
0
0
This tunnel was blasted into existence in 1942 to form the old Mount Lowe Motorway.
0
0
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.
0
0
Great view of Downtown LA. The climb up into the hills to reach the viewpoint is challenging, but it is worth the effort for the excellent vistas.
0
0
Gravel biking in San Pasqual offers a diverse range of terrain. You'll encounter expansive agricultural lands, rolling hills with varied topography, and areas with chaparral vegetation and riparian environments along the San Dieguito River. Expect some steep, rocky slopes and granitic hillsides, particularly on routes like the Raptor Ridge climb, which is known for its challenging sections.
Yes, San Pasqual provides options for various skill levels, though many routes are on the more challenging side. The komoot community rates routes from moderate to difficult, with several featuring significant elevation gain. For instance, the Devil's Gate Dam β View of Downtown Los Angeles in Distance loop from Altadena is a moderate option, while routes like Mueller Tunnel β Mueller Tunnel loop from Altadena present a more difficult challenge with substantial climbs.
San Pasqual's trails offer several scenic highlights. You can ride through the picturesque San Pasqual Valley, characterized by agricultural lands and rolling hills. The San Dieguito River Park features trails along the Coast to Crest Trail system. For impressive views, consider routes that include climbs to overlooks on Raptor Ridge or access to Water Tank Peak from the Old Coach Trail. You can also find viewpoints like Echo Mountain Ruins and Viewpoint and View from Muir Peak nearby.
Yes, San Pasqual is rich in history. The Mule Hill Trail runs through the Mule Hill Historic Battlefield area. The Old Coach Trail follows the historic Butterfield Stage route. Additionally, the San Pasqual Battlefield State Historic Park commemorates a significant engagement during the Mexican-American War, offering interpretive signs and monuments. Nearby, you can also find the Mount Lowe Railway Ruins, a historical site.
San Pasqual generally offers favorable conditions for gravel biking for much of the year due to its mild climate. However, the region can experience warm temperatures, especially in summer. Spring and fall often provide the most comfortable riding conditions with pleasant weather. Winter can also be a good time, though it's always wise to check local weather forecasts for any seasonal rain.
Yes, several gravel biking routes in the area are designed as loops. For example, the Mueller Tunnel β Mueller Tunnel loop from Altadena and the Ye Alpine Tavern ruins β Inspiration Point loop from John Muir High School are popular circular options, allowing you to start and end at the same point.
Access points for trails in San Pasqual often include staging areas like the Old Coach Staging Area. Many routes also begin near schools or parks, which may offer parking facilities. It's advisable to check specific route details on komoot for recommended starting points and parking information, as options can vary by trailhead.
The komoot community highly rates the gravel biking experience in San Pasqual, with an average score of 5.0 stars. Riders often praise the diverse landscapes, from agricultural fields to challenging climbs, and the varied terrain that keeps rides interesting. The network offers a good mix of scenic beauty and physical challenge.
While many routes in San Pasqual feature moderate to difficult terrain with significant climbs, some sections of trails within the San Dieguito River Park or flatter parts of the San Pasqual Valley might be more suitable for families. It's recommended to review the elevation profiles and difficulty ratings of specific routes on komoot to find the most appropriate options for your family's skill level.
Absolutely! San Pasqual Valley is home to the San Diego Zoo Safari Park, an 1,800-acre wildlife sanctuary. You can also explore the San Pasqual Battlefield State Historic Park for a dose of local history, or visit the San Diego Archaeological Center. For a different kind of attraction, consider the Historic Colorado Street Bridge or the Eaton Canyon Waterfall, both within reach.
While San Pasqual Valley is known for its natural and agricultural landscapes, amenities like cafes might be found in nearby communities or along main roads. It's always a good idea to plan your route and check for facilities in advance, especially for longer rides. The The Cub House is a known facility that caters to cyclists.


Browse the best Gravel rides in other regions.