San Diego Bay National Wildlife Refuge
San Diego Bay National Wildlife Refuge
Best attractions and places to see in San Diego Bay National Wildlife Refuge include diverse wetlands, coastal salt marshes, and intertidal mudflats. This refuge serves as a vital sanctuary for numerous species, offering crucial habitats for endangered, threatened, and migratory wildlife. It is composed of two main units, the Sweetwater Marsh Unit and the South San Diego Bay Unit, preserving coastal ecosystems that once dominated the bay's shoreline. The area provides opportunities for wildlife observation and environmental education within an…
Last updated: May 5, 2026
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Popular around San Diego Bay National Wildlife Refuge
Hiking in San Diego Bay National Wildlife Refuge
Running Trails in San Diego Bay National Wildlife Refuge
Road Cycling Routes in San Diego Bay National Wildlife Refuge
Cycling in San Diego Bay National Wildlife Refuge
MTB Trails in San Diego Bay National Wildlife Refuge

Gravel biking in San Diego Bay National Wildlife Refuge
The San Diego Bay National Wildlife Refuge is a wildlife refuge that was created to protect San Diego's historic coastal salt marsh and mudflat habitat. The refuge is home to a wide variety of wildlife. There are several bike paths that run along the coast, which give you great views of the water and a chance to spot wildlife.
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The Bernardo Shores Spur is a small connector trail off of the Bay Trail. It runs along the bank of Pond 10A, which is home to a variety of wildlife. The path is lined with palm trees and is a very relaxing setting to ride through.
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The Bayshore Bikeway is a scenic cycling route encircling Coronado Island. Spanning approximately 10 miles, this popular trail offers cyclists stunning vistas of the San Diego Bay, downtown skyline, and the Coronado Bridge.
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This section of the Silver Strand Trail goes past the San Diego Bay National Wildlife Refuge and offers views of diverse coastal habitats, and pristine wetlands. This is a beautiful section in the trail with great views of the bay and lots of opportunities for birdwatching.
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This Staging area and trailhead is a good starting point for a hike through the Otay Valley Regional Park. There is parking at the staging area.
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This section of the Bayshore Bikeway passes through the property of the San Diego Bay National Wildlife Refuge. You actually get to run by ponds in the refuge the whole time until just before you get to Silver Strand Natural Preserve.
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Ducks, waders, and shorebird mural next to the wetland with several former salt ponds that are being restored to natural marshes
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The refuge is renowned for its well-preserved wetlands, coastal salt marshes, intertidal mudflats, and salt ponds. These are crucial habitats for endangered, threatened, migratory, and native species. You can observe these diverse ecosystems, which are vital for the region's wildlife.
Yes, birdwatching is a very popular activity here. The refuge provides resting and foraging grounds for various birds and is an important nesting area for ground-nesting seabirds, including tens of thousands of migratory terns. You can spot species like snowy egrets, ospreys, burrowing owls, and Ridgway's rails, especially during the fall and winter months. The Bayshore Bikeway – Salt Flats Section is particularly good for birdwatching.
You can explore several trails within the refuge. The Bayshore Bikeway – Salt Flats Section is a scenic cycling route that also offers great views for walkers. Another option is the Bernardo Shores Spur, a connector trail lined with palm trees that runs along Pond 10A, providing a relaxing setting to observe wildlife. The Bayside Birding and Walking Trail is also a 0.4-mile path with interpretive signage.
Absolutely. The refuge offers several family-friendly options. The Living Coast Discovery Center, located within the Sweetwater Marsh Unit, features educational exhibits, a zoo, and an aquarium, providing an excellent opportunity for both kids and adults to learn about local wildlife and ecosystems. Many trails, like the Bernardo Shores Spur and the Bayside Birding and Walking Trail, are suitable for families.
Yes, the Bayside Birding and Walking Trail is specifically designed to be stroller- and wheelchair-friendly. This 0.4-mile trail runs parallel to the Bayshore Bikeway in Imperial Beach and features interpretive signage, offering spectacular views of migrating terns.
The refuge is particularly vibrant during the fall and winter months (October through February) for birdwatching, as tens of thousands of migratory terns and other species use the area for resting and foraging. Guided birding tours are also offered during these months.
Parking is available at various access points. For instance, the Living Coast Discovery Center offers a free shuttle from a parking lot near Sweetwater Park. The Swiss Park Staging Area is also a good starting point with parking for exploring nearby areas like Otay Valley Regional Park.
Yes, guided tours are available. During the winter months (October through February, excluding December), the San Diego Bird Alliance offers monthly guided birding tours in areas typically closed to the public. The Living Coast Discovery Center also provides interactive guided trail walks called "Sweetwater Safari" and "Bird Walk" tours. You can find more information on official refuge websites, such as fws.gov/refuge/san-diego-bay/visit-us/tours.
Beyond exploring the refuge's attractions, you can enjoy various outdoor activities. There are numerous cycling routes, such as those found in the Cycling in San Diego Bay National Wildlife Refuge guide, including the Bayshore Bikeway. For hikers, the Easy hikes in San Diego Bay National Wildlife Refuge guide offers options like the Imperial Beach Pier loop. Mountain biking trails are also available, detailed in the MTB Trails in San Diego Bay National Wildlife Refuge guide.
While the refuge is a critical habitat for wildlife, specific dog policies apply. Generally, dogs are not permitted on sensitive wildlife areas or trails within the refuge to protect the native species. It's best to check the official refuge website for the most current regulations regarding pets before your visit.
The refuge offers many scenic spots for photography, especially for wildlife and landscape shots. The Bayshore Bikeway – Salt Flats Section provides continuous views of the refuge's ponds and diverse coastal habitats. The Bayside Birding and Walking Trail also offers spectacular views of migrating terns. For a unique artistic feature, visit the Pond 10 Bird Mural.
The Living Coast Discovery Center is an excellent resource for learning about the local wildlife and ecosystems. It features educational exhibits, a zoo, and an aquarium, providing interactive experiences for all ages. Additionally, interpretive signage along trails like the Bayside Birding and Walking Trail offers insights into the refuge's natural features.
Yes, the Pond 10 Bird Mural is a notable artistic feature within the refuge area. This mural depicts ducks, waders, and shorebirds next to a wetland with former salt ponds being restored to natural marshes, offering a blend of art and nature.


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