Don Edwards San Francisco Bay National Wildlife Refuge
Don Edwards San Francisco Bay National Wildlife Refuge
4.4
(97)
8,877
runners
655
runs
Jogging routes in Don Edwards San Francisco Bay National Wildlife Refuge offer an extensive trail system across diverse landscapes. The region is characterized by vast tidal salt marshes, uplands, tidal sloughs, and salt ponds, providing unique habitats. Many trails are flat and composed of compacted dirt or gravel, making them suitable for running. Joggers can enjoy scenic views of the San Francisco Bay, surrounding mountains, and the Dumbarton Bridge.
Last updated: May 10, 2026
5.0
(1)
31
runners
23.7km
02:51
0m
0m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
runners
4.59km
00:28
0m
0m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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3
runners
3.43km
00:21
0m
0m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
2
runners
13.2km
01:36
10m
10m
Moderate run. Good fitness required. Mostly accessible paths. Some sure footedness required.
1
runners
5.68km
00:41
0m
0m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The Mallard Slough Trail is a nice closed-off loop that circles a small lake in the middle of a marsh. This is a well marked path with viewing platforms along the way. The trail has been closed for a good bit, but is reopening in January of 2024!
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This section of the Bay Trail is nicely paved and runs entirely along the bay. You can enjoy stunning views of the peaceful water, and sunrise/sunset runs are that much better with the light reflecting off the bay.
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Alviso Slough Trail is a beautiful hard packed segment that wraps around the water. There are endless views of the San Francisco Bay and all the marshland that makes up the Don Edwards San Francisco Bay National Wildlife Refuge.
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The Shoreline Trail is a 4-mile trail that runs along the East Bay Side of the bay. This trail is part of the larger Bay Trail System and connects to a large county park as well as other trails. The trail is built upon an old levee and is made of gravel.
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Shoreline Lake isn't far off of the San Francisco Bay Trail. There are some paved and some dirt paths traveling right up next to the water. This is a popular lake with a small marina on the east side full of boats.
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The Don Edwards San Francisco Bay National Wildlife Refuge offers an extensive network of over 570 running routes. These trails cater to various skill levels, with options ranging from easy paths to more challenging runs.
Most trails in the refuge are described as flat and consist of compacted dirt or gravel, making them ideal for running. Some sections may be paved, while others, particularly near sloughs, can become muddy after rain. You'll experience diverse landscapes including tidal salt marshes, uplands, tidal sloughs, and salt ponds.
Yes, the refuge has 84 easy running routes. For example, the San Francisco Bay Trail: Shoreline Park Loop is an easy 2.8-mile (4.6 km) path that provides a flat, accessible experience along the bay shoreline.
Runners can enjoy picturesque views of the San Francisco Bay, the surrounding mountains, and the iconic Dumbarton Bridge. The unique, colorful salt evaporation ponds also offer striking visual features, alongside the vast tidal salt marshes and sloughs.
Absolutely! The refuge is a haven for wildlife, especially birds, hosting over 280 species annually. You might spot white pelicans, hawks, ospreys, eagles, and numerous shorebirds. The diverse habitats also support endangered species like the Ridgway's rail.
Yes, many routes in the refuge are designed as loops. A popular option is the Alviso Slough Loop Trail, which is a longer 14.7-mile (23.7 km) route offering expansive views across the slough and bay.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 80 reviews. Reviewers often praise the serene and uncrowded environment, the diverse landscapes, and the opportunity to disconnect and reconnect with nature, despite being near an urban area.
Yes, you can encounter several interesting spots. Highlights include the San Francisco Bay Trail itself, the distinctive Former salt ponds โ Alviso wetlands, and the Bayview Trail Observation Deck for panoramic views.
Yes, the Don Edwards San Francisco Bay National Wildlife Refuge is known for its accessibility, with easy parking options available at various trailheads and visitor centers, making it convenient for runners.
The refuge offers a pleasant running experience year-round. However, the mild climate of the San Francisco Bay Area generally makes spring and fall particularly enjoyable, with comfortable temperatures and vibrant natural scenery. Be aware that some trails can become muddy after winter rains.
Yes, there are 394 moderate routes available. A good option is the San Francisco Bay Trail: Coyote Hills, a 13.2 km (8.2 miles) route that offers a balanced challenge with varied scenery.
While the refuge is a natural habitat, specific regulations regarding dogs may apply to protect wildlife. It's best to check the official refuge website for the most current information on pet policies and designated dog-friendly areas before your visit. You can find more details at fws.gov.
Yes, the refuge has a visitor center in Fremont and an Environmental Education Center in Alviso. These centers can offer additional learning opportunities about the local wildlife and ecosystems, and potentially provide trail maps or information relevant to runners.


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