Antioch Dunes National Wildlife Refuge
Antioch Dunes National Wildlife Refuge
4.1
(11)
56
riders
8
rides
Touring cycling in Antioch Dunes National Wildlife Refuge is not permitted within the refuge boundaries due to its protected status for endangered species. However, the surrounding region offers various touring cycling routes that explore the landscape adjacent to the refuge. These routes often feature regional shorelines, reservoir loops, and trails through local preserves, providing views of the San Joaquin River and the broader Delta area. The terrain typically includes flat sections along waterways and some rolling hills, with elevations generally…
Last updated: August 4, 2026
5
riders
39.0km
02:19
130m
130m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
15.0km
00:59
70m
70m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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4.2
(5)
18
riders
31.3km
01:49
30m
30m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
8
riders
12.0km
01:22
370m
370m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
34.8km
02:34
420m
420m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Antioch Dunes National Wildlife Refuge
The Big Break Regional Trail is a wonderful 3-mile paved path along the Delta shoreline. It’s a perfect route for spending the day hiking, biking, and birdwatching. The trail connects to the Marsh Creek Regional Trail, making it a fantastic traffic-free route to access other destinations in the area including Brentwood, Oakley, and Antioch.
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Begin of a 22 mile section of the West Mokelumne Coast to Crest Trail, a mostly paved dedicated multi-use bike trail, safely separated from road traffic.
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The Marsh Creek Regional Trail stretches about 6 miles through Contra Costa County, California. It meanders along the name-giving Marsh Creek and offers scenic views of wetlands, grasslands, and wooded areas. The paved trail is popular for walking, running, and cycling.
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Despite the stripmall at the road, behind lies a pretty nice park with picnic and sports facilities
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Large natural park with hiking trails along a creek as well as hilly loop options. Large fields for various sports, restrooms, water, picnic facilities
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The excellent long distance trail is interrupted a few yards west from here by a road.
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Neighborhood park along Marsh Creek at the Junction of several trails, Well equipped with fitness devices and playground. Picnic shelters and water make it a good place for a break
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No, touring cycling is not permitted within the Antioch Dunes National Wildlife Refuge boundaries. The refuge is a critical habitat established to protect endangered species like the Lange's metalmark butterfly and unique plants. Public access is severely limited to supervised tours to safeguard its sensitive ecosystem. However, the surrounding region offers various touring cycling routes that explore the landscape adjacent to the refuge.
The area adjacent to the refuge offers a variety of touring cycling routes, including regional shorelines, reservoir loops, and trails through local preserves. These routes provide views of the San Joaquin River and the broader Delta area. You'll find options ranging from easy, flat paths to more challenging routes with some elevation changes.
There are 8 touring cycling routes available in the Antioch Dunes area, with 3 easy, 4 moderate, and 1 difficult option. These routes are highly rated by the komoot community, with an average score of 4.1 stars.
Yes, there are several easy routes. One popular option is the Delta de Anza and Mokelumne Trail Loop, which is 9.3 miles (15.0 km) long and offers flat terrain, passing through local park areas. Another easy route is the Marsh Creek Regional Trail, spanning 19.4 miles (31.3 km) with minimal elevation gain.
The terrain typically includes flat sections along waterways and some rolling hills. Elevations generally remain below 200 meters, though some routes, like the Antioch Community Park – Contra Loma Reservoir loop from Sutter Delta Medical Center, can feature more significant climbs, reaching over 1000 meters in total ascent.
Yes, many routes are designed as loops. For example, the Marsh Creek Regional Trail – Mokelumne Trailhead loop from Antioch is a 24.2 miles (39.0 km) moderate route that connects regional trails in a circular fashion. Another is the Contra Loma Reservoir loop from Canada Valley Road & Vista Grande Drive, a 21.6 miles (34.8 km) moderate ride.
While you won't be cycling inside the refuge itself, the surrounding areas offer views of the San Joaquin River. The refuge is known for its unique relict sand dune ecosystem and its role in protecting endangered species. On routes adjacent to the refuge, you might observe various bird species and local flora typical of the Delta region and local preserves.
Information on specific public transport links directly to the start points of these cycling routes is not detailed in the guide. It's recommended to check local transit authority websites for bus or train services that might connect to Antioch or nearby trailheads.
While specific parking details for every trailhead are not provided, many regional parks and trail access points typically offer parking facilities. For routes like the Marsh Creek Regional Trail – Mokelumne Trailhead loop from Antioch, you would typically find parking near the starting points in Antioch or at designated trailheads.
The area is highly rated by the komoot community, with an average score of 4.1 stars from over 9 reviews. Reviewers often praise the varied terrain, from flat sections along waterways to routes with rolling hills, and the opportunity to explore regional shorelines and local preserves.
Yes, some of the easier, flatter routes are well-suited for families. The Delta de Anza and Mokelumne Trail Loop, for instance, is an easy 9.3 miles (15.0 km) path with flat terrain, making it a good choice for a relaxed family ride through local park areas.
Policies regarding dogs on cycling trails can vary by specific park or preserve. While the Antioch Dunes National Wildlife Refuge itself has strict access rules, many regional trails in the surrounding area may permit dogs on leash. It's best to check the specific regulations for each trail or park you plan to visit.


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