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Gravel biking in Ernest E. Debs Regional Park offers access to diverse landscapes and an extensive network of trails. The park itself features rolling hills and native woodlands, providing both challenging climbs and more accessible paved sections. From its peak, the park provides panoramic views of the Los Angeles skyline and the San Gabriel Mountains. While some unpaved segments within the park can be challenging, the area serves as a gateway to broader gravel biking adventures, including connections to theβ¦
Last updated: July 10, 2026
3
riders
68.1km
05:51
1,970m
1,970m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
53.6km
04:51
1,460m
1,460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5
riders
69.2km
05:25
1,610m
1,610m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
17
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
16.0km
01:38
560m
560m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Ernest E. Debs Regional Park
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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A solid entry to the Verdugo Mountains with rewarding climbs and views, but watch the startβthere are ruts and leftover metal pieces on the trail. Stay alert and pick your line carefully to avoid punctures or spills before the smoother sections begin.
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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.
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This tunnel was blasted into existence in 1942 to form the old Mount Lowe Motorway.
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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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Griffith's iconic Observatory is southern California's gateway to the cosmos. This hugely popular venue is the most visited observatory in the world. Since opening in 1935, the Observatory has welcomed over 85 million visitors. It is also 1,134 feet above sea level and is visible from most parts of the city it also has some of the best views of downtown Los Angeles and in particular the world-famous Hollywood Sign.
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A quick pull-off from the Angeles Crest Highway gives way to Millard Falls Trailhead and LA Overlook, with great views of downtown and the forests in the gateway to Angeles National Forest.
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While Ernest E. Debs Regional Park itself has specific regulations regarding unpaved trails, it serves as a crucial gateway to broader gravel biking adventures. Our guide features several challenging routes that incorporate segments around Debs Park and the Arroyo Seco, offering a diverse experience. For example, you can explore the Mount Wilson Summit Viewpoint β Brookside Park loop from South Pasadena, which is a demanding 68.4 km ride.
The gravel biking routes featured in this guide are generally considered difficult, offering challenging climbs and significant elevation gains. For instance, the Mount Thom Viewpoint β Verdugo Peak loop from Glendale Community College covers 32.1 km with over 900 meters of elevation gain. While the paved Arroyo Seco Trail is generally easy, the unpaved segments within and around Debs Park can be quite demanding.
Yes, several routes in the area are designed as loops, allowing you to start and end at the same point. A notable option is the Mount Thom Viewpoint β Top of Switchbacks β Overlook loop from Glendale, which is a 21.8 km challenging ride with over 700 meters of elevation gain, providing a comprehensive experience of the local terrain.
Gravel biking in this region offers breathtaking panoramic views. From higher elevations, you can enjoy expansive vistas of the Los Angeles skyline, the majestic San Gabriel Mountains, Highland Park, and Downtown Los Angeles. The trails also traverse diverse ecosystems, including native California walnut and oak woodlands, open meadows, and areas dotted with eucalyptus, pine, and birch trees.
Absolutely. While riding, you might encounter the tranquil Debs Park Pond, an oasis nestled at the top of a hill, perfect for a short break. The area is also home to the Audubon Center at Debs Park, a nature education hub. The routes often pass through diverse landscapes, including native California walnut and oak woodlands, offering a rich natural experience.
Yes, parking is generally available at various access points around Ernest E. Debs Regional Park and the starting points of many routes. It's advisable to check specific parking instructions for your chosen route's trailhead, especially for popular areas, to ensure a smooth start to your ride.
The Ernest E. Debs Regional Park area is accessible via public transport, particularly bus lines that serve Highland Park and other surrounding neighborhoods. Some routes, like the Mount Thom Viewpoint β Verdugo Peak loop, start near Glendale Community College, which is often well-served by public transit. Planning your route in advance with local transit maps is recommended.
The region generally offers good conditions for gravel biking for much of the year. However, spring and fall often provide the most pleasant temperatures. It's important to be aware that after heavy rains, certain cycleway sections, especially along the Arroyo Seco, can experience flooding, so checking trail conditions is always a good idea.
While the paved Arroyo Seco Trail is generally considered family-friendly, many of the unpaved gravel segments within and around Debs Park are quite challenging, featuring significant elevation gains and difficult terrain. These are better suited for experienced gravel bikers. Families looking for easier rides might consider sticking to the paved sections or exploring other local green spaces with less demanding paths.
Dogs are generally allowed in Ernest E. Debs Regional Park on leash. However, specific trail regulations can vary, especially for unpaved or pedestrian-only trails. It's always best to check the latest park rules and signage for the specific trail you plan to ride to ensure your furry companion is welcome.
If you're looking for alternatives to the more challenging unpaved sections within Debs Park, the paved Arroyo Seco Trail offers an excellent cycling experience and connects to other local green spaces. Additionally, routes like the Mount Thom Viewpoint β Tongva Peak loop from Glendale provide a different perspective of the surrounding area with varied urban and natural landscapes.


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