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United States
California
Orange County

Bommer Canyon Open Space Preserve

The best gravel rides in Bommer Canyon Open Space Preserve

4.9

(11)

94

riders

22

rides

Gravel biking in Bommer Canyon Open Space Preserve offers diverse terrain within a 4,000-acre natural sanctuary in southern Irvine, California. The landscape features rolling hills, ancient oak and sycamore groves, native grass meadows, and coastal sage scrub. Trails generally consist of dirt and gravel roads, making them suitable for gravel bikes, with some routes featuring significant elevation changes. This preserve provides a blend of natural beauty and historical significance.

Best gravel bike trails in Bommer Canyon Open Space Preserve

  • The most popular gravel bike trail is Pacific Ridge Trail – Laguna Coast Wilderness Park loop from Bommer Canyon Open Space Preserve, a 9.9 miles (15.9 km) trail that takes 1 hour 50 minutes to complete. This moderate route features varied terrain and views of the surrounding natural landscape.
  • Another top favourite among local gravel bikers is Serrano Ridge Trail – Shady Canyon Trail loop from University of California, Irvine, a difficult 17.4 miles (28.0 km) path. This route includes substantial elevation gain and traverses diverse habitats.
  • Local gravel bikers also love the Coastal view – Crystal Cove Park Trailhead loop from Discovery Shop, a 16.7 miles (26.8 km) trail leading through rolling hills and open spaces, often completed in about 1 hour 57 minutes.
  • Gravel biking in Bommer Canyon Open Space Preserve is defined by rolling hills, oak and sycamore groves, and coastal sage scrub. The network offers options for various ability levels, from easy paths to challenging routes with significant climbs.
  • The routes in Bommer Canyon Open Space Preserve are highly rated by the komoot community with an average score of 4.8 stars from 5 reviews. More than 70 gravel bikers have used komoot to explore Bommer Canyon Open Space Preserve's varied terrain.

Last updated: August 21, 2026

5.0

(1)

3

riders

#1.

Pacific Ridge Trail – Laguna Coast Wilderness Park loop from Bommer Canyon Open Space Preserve

15.9km

01:36

380m

380m

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

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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Popular around Bommer Canyon Open Space Preserve

Hiking in Bommer Canyon Open Space Preserve

Running Trails in Bommer Canyon Open Space Preserve

MTB Trails in Bommer Canyon Open Space Preserve

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Cycling in Bommer Canyon Open Space Preserve

Tips from the Community

Mark
March 4, 2025, Fenceline Trail, Crystal Cove State Park

This is a nice little loop around El Moro (now known as Crystal Cove). Some fun climbing, some fun downhill, some fun singletrack but mostly fire road. Nothing too techy.

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Zachary
January 22, 2025, Serrano Ridge Trail

The trail is wide packed dirt and takes you through the meadows and rolling hills. This is the backbone of the Shady Canyon trail system and connects to a number of other trails and routes in the park.

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Zachary
September 19, 2024, Pacific Ridge Trail

This trail is fast and nontechnical, and you get great views across the rolling hills of Crystal Cove State Park all the way down to the ocean. Hikers and dog-walkers share these trails but the path is fairly wide and visibility is good.

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Laguna Coast Wilderness Park is nestled in the last coastal canyons of Southern California. With 40 miles of trails meandering through oak and sycamore woodlands, the park offers a scenic journey leading to ridges with breathtaking vistas.

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Zachary
January 28, 2024, Bommer Meadow

The trail is a nice easy packed dirt path with enough space to pass other hikers. The trail winds its way through the meadow with little shade and is representative of the other trails in Bommer Canyon.

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There is a wide packed dirt trail for foot traffic that parallels a two-lane paved bikeway through Shady Canyon.

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Zachary
January 25, 2024, Reef Point

You get a panoramic view of the coast from the packed sandy trails that lead right up to the shoreline. There is an informational signpost about grey whales.

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The park has a paved foot and cycle path running through it. Amazing views. Great ride.

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Frequently Asked Questions

How many gravel bike trails are available in Bommer Canyon Open Space Preserve?

Bommer Canyon Open Space Preserve offers over 20 gravel bike trails. These routes cater to various skill levels, from easy paths to challenging rides with significant elevation changes.

What is the general difficulty level of gravel biking in Bommer Canyon?

The trails in Bommer Canyon Open Space Preserve range from moderate to difficult. While there are a few easier options, the majority of routes, such as the Serrano Ridge Trail – Shady Canyon Trail loop from University of California, Irvine, are considered difficult due to substantial elevation gains and varied terrain. There are 17 difficult routes and 6 moderate routes available.

Are there any challenging gravel bike routes with significant elevation gain?

Yes, many routes in Bommer Canyon feature significant elevation gain, with some reaching up to 3,000 feet. For example, the Serrano Ridge Trail – Shady Canyon Trail loop from University Town Center includes over 720 meters (2,360 feet) of climbing, requiring good fitness and advanced riding skills.

Are there easy or family-friendly gravel biking options in Bommer Canyon?

While many trails offer a challenge, there is at least one easy gravel biking route suitable for families or those seeking a less strenuous ride. The preserve's diverse network ensures options for different skill levels, including paths through serene woodlands and meadows.

What are the trail conditions like for gravel biking in Bommer Canyon?

The trails in Bommer Canyon Open Space Preserve are generally composed of dirt and gravel roads, making them ideal for gravel bikes. Riders can expect varied terrain, including rolling hills, and paths winding through oak and sycamore groves.

Are there any specific access rules or permits required for gravel biking in Bommer Canyon?

While many trails are open daily from dawn to dusk for self-guided exploration, some areas within Bommer Canyon Open Space Preserve are accessible only during designated 'Wilderness Access Days' or through guided programs. It's advisable to check official access information before planning your ride. For more details on access, you can visit the Nature Reserve of Orange County website.

What are the parking options for gravel bikers at Bommer Canyon Open Space Preserve?

Specific parking information for gravel bikers is not detailed in the guide, but Bommer Canyon Open Space Preserve typically offers designated parking areas for visitors. It's recommended to check the official preserve website or local signage for the most current parking availability and regulations.

What kind of natural features and landmarks can I see while gravel biking in Bommer Canyon?

As you ride through Bommer Canyon, you'll encounter rolling hills, ancient oak and sycamore groves, native grass meadows, and coastal sage scrub. Notable natural features include rugged rock outcrops like the unique 'Three Sisters' sandstone formations. The preserve also holds historical significance, with the historic Irvine Ranch Cattle Camp providing a glimpse into the area's ranching past.

What do other gravel bikers enjoy the most about gravel biking in Bommer Canyon Open Space Preserve?

The area is highly rated by the komoot community, with an average score of 4.8 stars from 5 reviews. Reviewers often praise the diverse terrain, the blend of natural beauty and historical charm, and the expansive views from higher points. Many appreciate the well-suited dirt and gravel roads for gravel bikes.

Can I bring my dog on the gravel bike trails in Bommer Canyon Open Space Preserve?

The guide does not specify the dog policy for gravel biking trails in Bommer Canyon Open Space Preserve. It is recommended to check the official preserve rules or the Nature Reserve of Orange County website for current regulations regarding dogs on trails.

What kind of wildlife might I encounter while gravel biking in Bommer Canyon?

Bommer Canyon is an important preservation area for local plants and wildlife. Riders may observe diverse wildlife such as mule deer and various bird species, including acorn woodpeckers, cactus wrens, and roadrunners, especially in areas near woodlands and grasslands.

Are there any loop trails for gravel biking in Bommer Canyon?

Yes, Bommer Canyon offers several loop trails for gravel biking. A popular option is the Pacific Ridge Trail – Laguna Coast Wilderness Park loop from Bommer Canyon Open Space Preserve, which is a moderate 9.9-mile route providing varied terrain and scenic views.

Most popular routes in Bommer Canyon Open Space Preserve

Hiking in Bommer Canyon Open Space Preserve

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