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United States
California
San Mateo County
Foster City

Belmont Slough

Highlight β€’ River

Belmont Slough

Running

5.0

(2)

Hiking

5.0

(1)

Belmont Slough is a significant tidal channel and estuary located on the western shore of San Francisco Bay in California, serving as a natural boundary between the communities of Redwood Shores and Foster City. While often referred to as a river, this unique waterway is characterized by its brackish and saltwater environment, providing vital estuarine and marine deepwater habitats. It plays a crucial role within the broader San Francisco Bay National Wildlife Refuge Complex, supporting diverse ecosystems.

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    Tips

    January 10, 2025

    Hiking

    Belmont Slough is picturesque, with salt marshes filled with cordgrass and pickleweed. As you walk along this lovely path, you can see plenty of herons and shorebirds, adding to the beauty of this part of the estuary.

    June 29, 2025

    Running

    Belmont Slough is picturesque, with salt marshes filled with cordgrass and pickleweed. Along this lovely path, you can see plenty of herons and shorebirds, adding to the beauty of this part of the estuary.

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    Location: Foster City, San Mateo County, California, United States

    Frequently Asked Questions

    What kind of terrain can I expect on the trails around Belmont Slough?

    The trails along Belmont Slough are generally flat and well-maintained, making them suitable for a leisurely stroll or a more active outing. The paths are mostly unpaved, offering a natural surface that is easy to navigate for walkers, runners, and cyclists.

    Are there any specific viewpoints or natural features to look out for?

    Yes, Belmont Slough is renowned for its picturesque salt marshes, vibrant with cordgrass and pickleweed. These marshes offer excellent opportunities for wildlife spotting, particularly herons and various shorebirds. The entire path provides continuous views of the slough and its diverse ecosystem.

    Is public transport available to reach Belmont Slough?

    While parking is generally available, public transport options directly to the slough's access points may be limited. It's advisable to check local bus routes or ride-sharing services for connections to Redwood Shores or Foster City, followed by a short walk or taxi ride to the trailheads.

    How long are the typical walks or trails at Belmont Slough?

    Belmont Slough offers various trail lengths, allowing visitors to choose their desired distance. While there isn't a single defined 'river walk' length, many enjoy segments ranging from 2 to 5 miles, often as out-and-back routes along the slough. Circular routes can be created by connecting different path sections.

    Are the trails at Belmont Slough wheelchair accessible?

    Given the generally flat terrain, some sections of the trails might be accessible for wheelchairs, especially those that are paved or have a very firm, wide surface. However, as many paths are unpaved, it's recommended to check specific access points for suitability, as conditions can vary.

    What is the best time of year for wildlife spotting at Belmont Slough?

    Belmont Slough is excellent for wildlife spotting year-round, particularly for birdlife. However, migratory bird seasons (fall and spring) can offer an even greater diversity of species. Early mornings or late afternoons are often the best times to observe birds when they are most active.

    Are there any cafes, pubs, or accommodation options nearby?

    Belmont Slough is situated between Redwood Shores and Foster City, both of which offer a range of amenities. You'll find various cafes, restaurants, and some accommodation options within a short driving distance from the slough's access points, particularly in the commercial areas of these communities.

    What should I wear when visiting Belmont Slough?

    Given the Bay Area's mild but variable climate, it's best to dress in layers. Comfortable walking shoes are essential for the unpaved trails. Depending on the season, a light jacket or windbreaker is advisable, as the slough can be breezy. Don't forget sun protection like a hat and sunscreen.

    Can I find a circular walk around Belmont Slough?

    While many trails are linear, it is possible to create circular routes by utilizing various connecting paths and bridges within the Redwood Shores and Foster City areas that border the slough. Exploring a map of the local trail network will help you plan a loop that suits your desired distance.

    How crowded does Belmont Slough get, especially on weekends?

    Belmont Slough is a popular spot, and it can experience moderate to high visitor traffic, especially on pleasant weekend mornings and afternoons. For a quieter experience, consider visiting during weekday mornings or later in the afternoon, or during the off-peak seasons if possible.

    Is Belmont Slough suitable for a winter hike?

    Yes, the mild climate of the San Francisco Bay Area makes Belmont Slough suitable for winter hikes. The trails remain accessible, and the cooler temperatures can be quite pleasant for walking. Winter can also be an excellent time for birdwatching, as many migratory species are present.

    Other Popular Places to Check Out

    Bay Trail on Foster City Levee

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