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United States
California
San Diego County
San Diego

Coastal and Marsh Trail Loop

Moderate

4.9

(1083)

9,992

runners

Coastal and Marsh Trail Loop

00:36

5.29km

20m

Running

Jog this moderate 3.3-mile loop through coastal and marsh ecosystems in Border Field State Park, offering diverse scenery and wildlife.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

785 m

Border Field State Park

Highlight • Beach

Border Field State Park is nestled up against the southern border of the California and the northern tip of Mexico. The Mexican city just over the border, Tijuana, can be …

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B

5.29 km

End point

Parking

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Way Types & Surfaces

Way Types

3.15 km

1.57 km

385 m

162 m

Surfaces

1.33 km

1.16 km

1.04 km

986 m

408 m

348 m

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Elevation

Elevation

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Weather

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Today

Sunday 10 May

19°C

14°C

0 %

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Max wind speed: 11.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the difficulty level of the Coastal and Marsh Trail Loop?

This trail is considered moderate, offering a diverse jogging experience. While much of it features flat to gently rolling terrain, you'll encounter a mix of surfaces including boardwalks, paved sections, and natural paths that can be sandy or earthen. It's generally accessible but some natural sections might be uneven.

Is the Coastal and Marsh Trail Loop a circular route?

Yes, this is a loop trail, making it convenient for joggers as you'll end up back near your starting point without needing to retrace your steps.

Where can I park for the Coastal and Marsh Trail Loop?

The trail is located within Border Field State Park. Parking is typically available within the park, though specific trailhead parking details may vary. It's advisable to check the park's official website for the most current parking information and any potential fees.

Are there any permits or entrance fees required for this trail?

As the trail is situated within Border Field State Park, standard park entrance fees may apply. It's best to check the official park website for current fee schedules and any specific permit requirements for activities like jogging.

Is the Coastal and Marsh Trail Loop dog-friendly?

Rules regarding dogs in Border Field State Park, where this trail is located, typically require dogs to be on a leash at all times. Always check the park's official regulations before bringing your dog to ensure compliance and a pleasant experience for everyone.

What is the best time of year to jog this trail?

The trail offers scenic views year-round. However, spring and fall often provide the most comfortable temperatures for jogging and excellent opportunities for birdwatching due to migratory patterns. Summer can be warm, and coastal areas may experience fog. Always check local weather conditions before heading out.

What kind of wildlife and plants can I see along the way?

This trail is known for its rich biodiversity. You can expect to see various bird species, especially in the marshland areas, along with coastal flora. Depending on the season, you might spot migratory birds, butterflies, and other small wildlife typical of wetland and coastal ecosystems.

Does the trail intersect other well-known paths?

Yes, the route incorporates sections of several other paths, including the Beach Trail, Coastal Trail South, Marsh Loop Trail, Coastal Trail North, and Paseo Costero.

What should I bring for a jog on this trail?

Given the coastal and marsh environment, it's recommended to bring water, sun protection (hat, sunscreen), and appropriate footwear for varied surfaces. Binoculars can enhance wildlife viewing, and insect repellent might be useful, especially during warmer months or near marshy areas.

Are there any specific regulations for Border Field State Park that I should know?

When visiting Border Field State Park, remember to stay on marked trails to protect sensitive ecosystems. Pack out all trash, and respect wildlife by observing from a distance. Check the park's official website for any specific rules regarding drones, fires, or other activities.

Are there any amenities like cafes or restrooms near the trail?

As the trail is within Border Field State Park, you may find restrooms or visitor facilities within the park boundaries. For cafes or other dining options, you would likely need to venture into nearby towns or communities outside the park.

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