4.6
(203)
6,493
riders
3
rides
No traffic road cycling routes in Bommer Canyon Open Space Preserve traverse a landscape characterized by gentle valleys, native grass meadows, and coastal sage scrub. The preserve features areas with varying elevation changes, offering diverse experiences for road cyclists. Oak and sycamore groves are present along some routes, providing natural shade and scenic elements. The terrain includes both mostly paved surfaces and some unpaved segments, catering to different preferences for car-free cycling.
Last updated: May 14, 2026
6
riders
24.0km
01:17
300m
300m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
8
riders
30.0km
01:28
240m
240m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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6
riders
8.77km
00:26
10m
20m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
5.0
(9)
238
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
10
riders
11.3km
00:31
20m
20m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around Bommer Canyon Open Space Preserve
The trail here is paved and designed specifically for foot traffic and bikes with two separate cycling lanes. You get great views across Newport Bay to the ecological reserve as you pass by a couple small parks and vista points.
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From this spot, you get a nice view over the Upper Newport Bay Ecological Reserve. It is one of Southern California's largest remaining coastal wetlands. This estuary comprises diverse habitats, including salt marshes, mudflats, and riparian zones, providing critical environments for numerous plant and animal species. The reserve is also a vital stopover for migratory birds along the Pacific Flyway, with up to 35,000 birds present during winter migration. It supports nearly 200 bird species, including endangered ones like the Light-footed Clapper Rail and California Least Tern.
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❗The northern segment of the Back Bay Loop Trail, specifically the Bay View Trail including the pedestrian bridge, is closed for repairs from December 9 to December 27, 2024. This closure is in effect daily, including weekends. A detour along Mesa Drive is available for trail users to reconnect with the trail.
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San Diego Creek is a 16-mile urban river that empties into Upper Newport Bay in Orange County. It follows Irvine's extensive system of trails and bike lanes, flowing through industrial areas, residential neighborhoods, and even the borders of the university campus.
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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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This section of the San Diego Bike Trail runs from Jamboree Rd to Harvard Ave, and is about 4mi (6.5km) in length. It connects the Back Bay Drive and Back Bay Loop Trail in Newport Beach with the Peters Canyon Bikeway in Irvine. At the northern end, where the Peters Canyon Bikeway branches off, the San Diego Trail continues eastwards.
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San Joaquin Marsh Wildlife Sanctuary, located in Irvine, encompasses 300 acres of restored coastal freshwater wetlands. A haven for birdwatchers, it hosts diverse bird species and offers educational programs.
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Bommer Canyon Open Space Preserve offers several easy, traffic-free road cycling routes. You can explore options like the Shady Canyon Trail loop from Quail Hill, which provides a pleasant ride through the preserve's diverse landscapes.
The no-traffic road cycling routes in Bommer Canyon Open Space Preserve are generally easy with mostly paved surfaces, making them suitable for various fitness levels. While the preserve has areas with significant elevation changes, the routes highlighted for road cycling typically feature minimal elevation gain, such as the San Diego Creek Trail – San Diego Creek loop from Irvine, which has very little climbing.
Yes, there are several excellent circular routes for traffic-free road cycling. For instance, the San Diego Creek loop from Irvine offers a scenic round trip, allowing you to experience the preserve's natural beauty without retracing your steps.
While cycling, you can enjoy the preserve's diverse habitats, including serene oak and sycamore groves, native grass meadows, and coastal sage scrub. Keep an eye out for wildlife such as mule deer and various bird species. You might also pass by the historic Cattle Camp, nestled under a sycamore canopy, offering a glimpse into the area's past. From higher points, expansive views of the canyon and surrounding Orange County cities are a highlight.
Absolutely! The routes are generally easy with minimal elevation gain, making them ideal for families and beginner road cyclists. The San Diego Creek loop from Tustin is a great example of a shorter, accessible route perfect for a leisurely family outing.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 270 ratings. Reviewers often praise the quiet, traffic-free nature of the routes, the beautiful natural scenery, and the accessibility for all skill levels, especially for those seeking a peaceful ride away from cars.
While direct public transport options into the preserve might be limited, many routes, such as the San Diego Creek loop from Irvine, start from urban centers like Irvine, which are typically well-served by local transportation. It's advisable to check local bus routes or ride-sharing services for the closest drop-off points to your chosen starting location.
Parking is generally available at trailheads or designated access points around the preserve, such as near Quail Hill for routes like the Shady Canyon Trail loop from Quail Hill. Always check local signage for specific parking regulations and availability before your visit.
Bommer Canyon Open Space Preserve has specific regulations regarding dogs on trails. While some areas may permit leashed dogs, it's crucial to verify the official policy for the specific trails you plan to cycle. Always check the preserve's official website or signage for the most current information on pet restrictions.
The preserve is generally open daily from dawn to dusk. The mild climate of Southern California makes it suitable for cycling year-round. However, spring and fall often offer the most comfortable temperatures and vibrant natural scenery. Summers can be hot, so early morning or late afternoon rides are recommended during those months.
While Bommer Canyon Open Space Preserve itself is a natural sanctuary, its proximity to Irvine and other Orange County cities means there are numerous cafes, restaurants, and amenities nearby. You'll find options for refreshments and meals a short ride or drive from the preserve's access points.
The no-traffic road cycling routes vary in length, catering to different preferences. You can find shorter options like the San Diego Creek Trail – San Diego Creek loop from Irvine, which is about 8.7 km, or longer rides such as the San Diego Creek loop from Irvine, stretching nearly 30 km.


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