RoutesPlannerFeaturesUpdates
App
Login or Signup
Get the App
Login or Signup
Routes
Gravel rides
United States
California
San Diego County

San Diego Bay National Wildlife Refuge

Routes
Gravel rides
United States
California
San Diego County

San Diego Bay National Wildlife Refuge

The best gravel rides in San Diego Bay National Wildlife Refuge

5.0

(1)

18

riders

5

rides

Gravel bike trails in San Diego Bay National Wildlife Refuge traverse diverse landscapes, including coastal salt marshes, intertidal mudflats, and rolling hills. The region encompasses approximately 2,620 acres of land and water, preserving critical wetland habitats. Riders can experience scenic views of the Silver Strand and, in some areas, packed gravel surfaces. These routes offer opportunities to observe a wide array of wildlife within an urbanized coastal environment.

Best gravel bike trails in San Diego Bay National Wildlife Refuge

  • The most popular gravel bike trail is Otay Mesa – Otay Mountain loop from Palomar Street, a 44.4 miles (71.4 km) trail that takes 5 hours 42 minutes to complete. This difficult route features scenic rolling hills and well-maintained trails.
  • Another top favourite among local gravel bikers is Otay Valley Regional Park – Sweetwater Bikeway loop from Palomar Street, a moderate 25.7 miles (41.4 km) path. This route offers views of diverse coastal habitats and wetlands.
  • Local gravel bikers also love the Bayshore and Sweetwater Bikeway Loop, a 59.0 miles (94.9 km) trail leading through coastal environments and wetlands, often completed in about 7 hours 20 minutes.
  • Gravel biking in San Diego Bay National Wildlife Refuge is defined by coastal salt marshes, intertidal mudflats, and rolling hills. The network offers options for different ability levels, from moderate paths to more challenging routes.
  • The routes in San Diego Bay National Wildlife Refuge are highly rated by the komoot community with an average score of 5.0 stars from over 1 review. More than 14 gravel bikers have used komoot to explore San Diego Bay National Wildlife Refuge's varied terrain.

Last updated: October 8, 2026

6

riders

#1.

Otay Mountain – Otay Valley Regional Park loop from Palomar Street

71.3km

04:38

1,250m

1,250m

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Navigate with deviceSend to Phone
Save
Hard

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
guide_signup
Let us show you the way with the komoot mobile app
With a free komoot account, you can easily find, customize, and navigate endless outdoor adventures.
Sign up for free

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

1

riders

Embark on the Bayshore and Sweetwater Bikeway Loop, a challenging gravel biking route that showcases the diverse landscapes of San Diego. This 59.0-mile (94.9 km) journey takes you from the bustling urban views of San Diego Bay and Coronado, past landmarks like the historic Hotel del Coronado, to the tranquil, natural settings of the Sweetwater River. You'll experience a mix of paved paths and sections of dirt and crushed gravel, particularly as you wind through Sweetwater Regional Park, offering a dynamic and engaging ride for experienced cyclists.

Planning your ride on this difficult route, which typically takes around 7 hours and 20 minutes to complete with 2170 feet (661 metres) of elevation gain, is essential. While specific trailhead parking isn't detailed, consider starting early to ensure a good spot. The option to incorporate a ferry crossing from Coronado back to San Diego adds a fun logistical twist. Always pack ample water and snacks, and check the weather, as the varied terrain and length require preparation.

This loop is a fantastic way to explore the region's blend of urban and natural beauty, connecting the iconic Bayshore Bikeway with the Sweetwater River Trail gravel biking experience. You'll encounter the San Diego Bay National Wildlife Refuge, a crucial wetland for migratory birds, offering opportunities for wildlife spotting. The route is part of a larger network, including the California Coastal Trail, making it a significant and memorable ride in the San Diego area.

Hard

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

Start today with a free account

Your next adventure awaits.

Login or Signup

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

Tips from the Community

Luis Alcantara
August 3, 2025, Sweetwater Bikeway

Nice bike trail. Just watch out for the homeless camp

0

0

Joe
July 14, 2025, Otay Reservoir Dam

Fun Easy Ride

1

0

Easy Ride

0

0

This multi-use trail runs along the Sweetwater River between Chula Vista and the Sweetwater Reservoir. Keep and eye out for hikers, runners, and horses, as they all use this trail.

0

0

Matthew
January 19, 2025, Park & ferry landing

Centennial Park is home to the Coronado Ferry Terminal. You can catch the ferry and ride it back to San Diego from here. There are also some grassy areas, a beach, and a bunch of restaurants and shops here.

0

0

Sue
December 6, 2024, View of San Diego Bay

The view from this section of the bikeway is stunning. The vibrant green and blue colors of the water and skyline are breathtaking and worthy of a stop to take some incredible photos.

1

0

Fausto
March 4, 2024, Otay Mountain

If you plan it well, you can finish the ride with some beers and snacks from the Pio Pico camping grounds store.

0

0

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.

0

0

Frequently Asked Questions

What kind of terrain can I expect on gravel bike trails in San Diego Bay National Wildlife Refuge?

The gravel bike trails in the San Diego Bay National Wildlife Refuge traverse diverse landscapes, including coastal salt marshes, intertidal mudflats, and rolling hills. You'll find sections with packed gravel surfaces, offering scenic views of the Silver Strand and opportunities to observe a wide array of wildlife within an urbanized coastal environment.

Are there any family-friendly gravel biking routes in the refuge?

Yes, while some routes are more challenging, the region offers options suitable for various skill levels. The Otay Valley Regional Park – Sweetwater Bikeway loop from Palomar Street is a moderate 25.7-mile path that offers views of diverse coastal habitats and wetlands, which can be a good option for families looking for a less strenuous ride.

What are some notable landmarks or points of interest I can see while gravel biking?

You can explore several interesting spots. The Bayshore Bikeway – Salt Flats Section passes directly through the refuge, offering views of coastal habitats. The Bernardo Shores Spur is another connector trail lined with palm trees, ideal for wildlife observation. Don't miss the Pond 10 Bird Mural, a unique artistic highlight.

What is the best time of year for gravel biking in San Diego Bay National Wildlife Refuge?

The San Diego Bay National Wildlife Refuge is a great year-round destination due to its mild climate. However, for optimal wildlife viewing, especially birdwatching, consider visiting during migratory seasons. Always check local weather conditions before heading out, as coastal areas can experience varying conditions.

Are there any challenging gravel bike routes for experienced riders?

Absolutely. For experienced riders seeking a challenge, the Otay Mesa – Otay Mountain loop from Palomar Street is a difficult 44.4-mile trail featuring scenic rolling hills and significant elevation changes. Another demanding option is the Bayshore and Sweetwater Bikeway Loop, a 59.0-mile trail through coastal environments and wetlands.

Can I find circular gravel biking routes in the area?

Yes, several routes are designed as loops, allowing you to start and end at the same point. For example, the Sweetwater River – Sweetwater Bikeway loop from Park & Market offers a moderate 46.5-mile circular path, providing a comprehensive experience of the area's natural beauty.

Is the San Diego Bay National Wildlife Refuge suitable for birdwatching while cycling?

The refuge is a haven for birdwatchers, providing crucial habitats for endangered, threatened, and migratory species. You can expect to see snowy egrets, ospreys, burrowing owls, and Ridgway's rails. The 'Salt Flats Section' of the Bayshore Bikeway and areas leading to bird blinds offer excellent opportunities for observation while cycling.

Where can I find parking for gravel biking in the refuge?

While specific parking details for all trailheads are not provided, the Swiss Park Staging Area is identified as a facility within the refuge, which may offer parking options. It's advisable to check the specific starting points of your chosen routes for parking availability.

Are dogs allowed on the gravel bike trails in San Diego Bay National Wildlife Refuge?

The San Diego Bay National Wildlife Refuge is a protected area focused on wildlife conservation. While specific regulations for dogs on bike trails are not detailed in our data, it's generally recommended to check the official refuge guidelines regarding pets to ensure compliance and minimize disturbance to wildlife. You can find more information on the official website: fws.gov/refuge/san-diego-bay/visit-us.

What makes gravel biking in San Diego Bay National Wildlife Refuge unique?

Gravel biking here offers a unique blend of urban proximity and wild nature. You'll ride through critical wetland habitats, observe diverse wildlife, and enjoy scenic coastal views, all within an urbanized coastal environment. The refuge's commitment to preserving these ecosystems makes for a truly special and immersive outdoor experience.

Are there any cafes or places to get refreshments near the gravel bike trails?

While our guide data doesn't specify cafes directly on the trails, the San Diego Bay National Wildlife Refuge is situated within an urbanized coastal environment. This means you'll likely find various amenities, including cafes and restaurants, in the nearby towns and communities surrounding the refuge. Planning your route to pass through or near these areas can provide opportunities for refreshments.

How many gravel biking routes are available in the San Diego Bay National Wildlife Refuge?

There are at least 4 gravel biking routes detailed in the San Diego Bay National Wildlife Refuge, offering a range of difficulties from moderate to difficult. These routes provide diverse experiences across the refuge's unique landscapes.

Most popular routes in San Diego Bay National Wildlife Refuge

Hiking in San Diego Bay National Wildlife Refuge

Most popular attractions in San Diego Bay National Wildlife Refuge

Places to see

Store rating

Get inspired with the komoot mobile app

With a free komoot account, you can easily find, customize, and navigate endless outdoor adventures.

or

Join komoot Now
Store rating

Explore more

Browse the best Gravel rides in other regions.

San DiegoCoronadoNational CityLemon GroveLa MesaEscondidoElfin ForestSan MarcosDel DiosPowayMission Trails Regional ParkCasa De Oro-Mount HelixHarmony GroveEncinitasRancho Santa FeBlack Mountain Open Space ParkChula VistaSpring ValleyLa PresaCarlsbadSolana BeachDel MarCleveland National ForestOceansideBonitaSan Diego National Wildlife RefugeJamulFairbanks RanchBostoniaEl CajonLaguna MountainsLake San MarcosVistaRancho San DiegoGranite HillsCrestSanteeHidden Meadows

Nearby adventure guides

Things to Do around Imperial Beach

background

Get ready to conquer new peaks

Sign up for Free
Explore
RoutesRoute plannerFeaturesRedeem a voucherHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy