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Four Corners – Telegraph Canyon Trail loop from Carbon Canyon Regional Park
29.2km
02:43
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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By Fede from komoot
·
Updated May 31, 2026
If you've ever tried to plan gravel biking in the Santa Ana Mountains, you know how overwhelming the options can be. With so many trails crisscrossing this rugged region, it's tough to tell which routes are genuinely worth your time and effort, and which are just filler. We get it – you want the good stuff, not endless guesswork.
That's where we come in. Our komoot community has mapped, ridden, and reviewed countless routes here, giving us the inside scoop on what truly delivers. This guide is your curated shortcut, cutting through the noise to bring you the best gravel biking in the Santa Ana Mountains. Expect a landscape defined by challenging climbs and rewarding descents, with trails that often feel wonderfully remote despite being so close to urban areas. The terrain ranges from wide dirt paths to mountain fire roads, offering everything from moderate paths to difficult ascents.
For a fantastic introduction to the area's diverse ecosystems, we'd start with the Waterworks Flow Trail – Trabuco Creek loop from Santa Margarita Catholic High School. This moderate 18.5 miles (29.8 km) route winds through chaparral and oak woodlands, offering a great feel for the region. If you're ready for a bigger challenge and want to earn some expansive views, the View of Yorba Linda – Four Corners loop from Carbon Canyon Regional Park is a difficult 29.6 miles (47.6 km) ride that truly showcases the mountains' character. Get out there and explore – more than 100 gravel bikers have already used komoot to discover these trails!
Trail | Distance | Elevation | Difficulty |
|---|---|---|---|
| Four Corners – Telegraph Canyon Trail loop from Carbon Canyon Regional Park | 29.2 km | 500 m | Hard |
| Waterworks Flow Trail – Trabuco Creek loop from Rancho Santa Margarita | 27.0 km | 290 m | Moderate |
| View of Yorba Linda – Four Corners loop from Carbon Canyon Regional Park | 47.6 km | 1,020 m | Hard |
| Four Corners – View of Yorba Linda loop from Chino Hills High School | 46.2 km | 980 m | Hard |
| Carbon Canyon Regional Park – Telegraph Canyon Road loop from Carbon Canyon Regional Park | 12.8 km | 140 m | Easy |
| Gravel loop from California Citrus State Historic Park | 37.8 km | 370 m | Moderate |
| Maple Springs gate loop from Black Star Canyon | 47.0 km | 1,190 m | Hard |
| Ladera Ranch Trails – Ladera Ranch Trails loop from Ladera Ranch | 13.5 km | 340 m | Moderate |
| Bommer Meadow – Bommer Meadow loop from Quail Hill | 20.7 km | 420 m | Moderate |
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29.2km
02:43
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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27.0km
02:18
290m
290m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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47.6km
04:40
1,020m
1,020m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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46.2km
04:26
980m
980m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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12.8km
01:00
140m
140m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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37.8km
02:40
370m
370m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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47.0km
04:00
1,190m
1,190m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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13.5km
01:19
340m
340m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
View route
20.7km
01:32
420m
420m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
View route
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This is the intersection of five trails: Raptor Ridge Trail, North Ridge Trail, Bovinian Delight Trail or Telegraph Canyon Road. There are also some boards with information about the trails and a restroom.
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You can explore a variety of singletrack and wide gravel paths through the park. Some trails are shaded while others take you out above the canyon with vistas of Orange County. There are restrooms, picnic tables, and camping available. The park charges a $3 fee.
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The Arroyo Trabuco Trail crosses the Trabuco Creek here (and a good number of times along the route). Depending on the season and conditions, you may well find that bombing through is not an option, so just be prepared for some wet feet.
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The Faultline Trail is a mix of dirt singletrack and fire road sections. There are some short, steep climbs and fast descents with loose gravel in places. It is a blue trail with a few sections that may challenge newer riders due to ruts, roots, and tight turns. This trail can get busy with runners and hikers on weekends as well.
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This area is designated as a wildlife sanctuary for rare and endangered wildlife. It has about 4,500 acres of wild space and open land.
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This is a cool, panoramic overlook with a placard off the side of the South Ridge Trail. The overlook is situated over the city and neighborhoods of Yorba Linda.
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Telegraph Canyon Trail is one of the most popular paths in the entire park. It leaves the visitor's center as a wide, smooth road and eventually narrows a bit, but it's pretty smooth the entire way. As you approach Four Corners, the trail starts to become more hilly, but it's always considered a "green" trail in terms of difficulty.
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Carbon Canyon Regional Park is a great local park with a small lake and some nature trails featuring redwoods and the Carbon Canyon Creek. It connects to Chino Hills State Park.
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There are 4 curated no-traffic gravel bike trails in the Santa Ana Mountains featured in this guide. These routes offer a mix of moderate to difficult challenges, allowing you to explore the region's diverse landscapes away from vehicular traffic.
The Santa Ana Mountains offer a variety of terrain, from demanding climbs and rewarding descents on dirt roads to sections that can be quite chunky. You'll encounter a mix of wide gravel paths and some singletrack, with some shaded areas and expansive vistas. Trails like the Four Corners – Telegraph Canyon Trail loop are known for their challenging ascents and remote feel.
Yes, there is one easy no-traffic gravel bike trail in this guide: the Carbon Canyon Regional Park – Telegraph Canyon Road loop. This route offers a gentler introduction to gravel biking in the region, perfect for those looking for a less strenuous ride.
Gravel biking in the Santa Ana Mountains is best experienced during spring or fall. These seasons typically offer more moderate temperatures, making the demanding climbs and descents more enjoyable. Summer can be very hot, and winter might bring cooler, potentially wetter conditions.
The Santa Ana Mountains are rich in natural beauty. While riding, you might encounter diverse ecosystems like chaparral and oak woodlands. Notable attractions include O'Neill Regional Park, known for its coast live oaks, and the scenic Red Rock Trail in Whiting Ranch Wilderness Park. For a unique natural sight, Black Star Falls is accessible via a short hike from some trailheads, though you'll need to leave your bike behind to reach it.
Yes, the Santa Ana Mountains offer several prominent peaks and viewpoints. While some are more challenging to reach, you can find stunning vistas. For example, the View of Yorba Linda – Four Corners loop offers expansive views. You can also find highlights like Robber's Peak, which provides excellent panoramic views of the surrounding area.
The komoot community highly rates the Santa Ana Mountains, with an average score of 4.7 stars. Reviewers often praise the challenging yet rewarding nature of the trails, the stunning natural beauty, and the feeling of remoteness despite being close to urban areas. The opportunity to ride on extensive dirt roads away from traffic is a significant draw.
Yes, all the no-traffic gravel bike routes in this guide are circular. This includes routes like the Waterworks Flow Trail – Trabuco Creek loop, which allows you to start and end your ride at the same point, making logistics easier.
The Santa Ana Mountains are home to diverse wildlife, including mountain lions, bobcats, and various bird species. It's important to be aware of your surroundings, especially during dawn and dusk. Always maintain a safe distance from any wildlife you encounter and avoid disturbing their natural habitat.
While many trails offer a remote experience, you can find amenities in the surrounding areas. A popular spot for bikers is Cook's Corner, a historic roadhouse that serves as a local landmark and a good place for a post-ride refreshment.
The no-traffic gravel bike trails in the Santa Ana Mountains can feature significant elevation gains, contributing to their challenging nature. For instance, the Four Corners – View of Yorba Linda loop involves nearly 1000 meters of ascent, providing a substantial workout and rewarding views.


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