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Routes
Mountain biking trails
United States
California
San Diego County
Jamul

Sweetwater River Trail loop

Moderate

4.6

(2003)

18,915

riders

Sweetwater River Trail loop

01:47

18.9km

300m

Mountain biking

This 11.7-mile mountain biking loop in San Diego National Wildlife Refuge offers moderate terrain, river views, and a fun challenge.

Last updated: February 26, 2026

Tips

Includes very steep uphill segments

You may need to push your bike.

After 7.34 km for 77 m

After 9.22 km for 138 m

Waypoints

A

Start point

Get Directions

1

1.35 km

Sweet Water River Trail

Highlight (Segment) • Trail

What a great trail for beginners. There are only a couple of spots where you may need to dismount to push up a rugged hill.

Tip by

2

7.52 km

Tiki Hut

Highlight • Mountain Hut

This is the perfect spot for a snack. Take a seat and enjoy the view.

Tip by

B

18.9 km

End point

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Way Types & Surfaces

Way Types

14.2 km

4.35 km

254 m

< 100 m

< 100 m

Surfaces

10.7 km

7.81 km

254 m

137 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (160 m)

Lowest point (80 m)

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Weather

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Today

Friday 8 May

27°C

14°C

0 %

Additional weather tips

Max wind speed: 16.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park for the Sweetwater River Trail loop?

There is a new, large parking lot conveniently located at the main trailhead. If you're looking to start closer to the historic Steele Canyon Bridge, be aware that parking in that area can be limited.

Is the Sweetwater River Trail loop dog-friendly?

The trail is generally considered multi-use, but the provided information does not specify dog-friendliness or leash rules. It's always best to check with the San Diego National Wildlife Refuge directly for their specific pet policies.

What is the best time of year to mountain bike the Sweetwater River Trail loop?

Springtime is particularly recommended, as the greenery is lush and the trail offers picturesque views. Be mindful that the trail can be muddy after rain, so waterproof shoes might be necessary during certain conditions.

Are there any permits or fees required to access the San Diego National Wildlife Refuge or the trail?

The provided information does not mention any specific permits or entrance fees for accessing the San Diego National Wildlife Refuge or the Sweetwater River Trail loop. However, it's always a good idea to check the official refuge website for the most current regulations before your visit.

What is the terrain like on the Sweetwater River Trail loop?

The trail offers varied terrain, primarily consisting of singletrack. It transitions to a gravel road/path for about a mile before returning to singletrack. While the initial miles are generally easy to moderate with smooth dirt, the difficulty increases significantly closer to the Sweetwater Reservoir, featuring hillier sections, long, steep climbs, and potentially rocky terrain. A water crossing may also be present depending on conditions.

Is the Sweetwater River Trail loop suitable for beginners?

The initial few miles from the Steele Canyon Bridge are considered easy to moderate. However, the trail becomes significantly more challenging as it approaches the Sweetwater Reservoir, with steep climbs that may require dismounting. It's a good option for intermediate riders or beginners prepared for some pushing.

What notable features or views can I expect along the Sweetwater River Trail loop?

You'll ride alongside the Sweetwater River, enjoying riparian and coastal scrub habitats, with views of the Sweetwater Reservoir and San Miguel Mountain. Notable features include the historic Steele Canyon Bridge and the Tiki Hut, which offers fantastic views, a covered picnic table, and a bike repair station.

What kind of wildlife might I see on the trail?

The San Diego National Wildlife Refuge setting provides opportunities to observe diverse wildlife native to San Diego, including rabbits and various bird species. While less common, encounters with rattlesnakes or even mountain lions have been reported on the ridge.

Is the Sweetwater River Trail loop multi-use or family-friendly?

Yes, the trail is multi-use, shared with hikers and equestrians. Its easier sections are generally considered family-friendly, making it accessible for a range of users.

Are e-bikes allowed on the Sweetwater River Trail loop?

Yes, e-bikes are permitted on the US Fish and Wildlife Service Refuge Land and most county-managed trails in this area, including the Sweetwater River Trail loop.

Does the Sweetwater River Trail loop intersect with other trails?

Yes, the route also passes through sections of the Sweetwater Access Road, Roadrunner, Jeep Trail, Steele Canyon Bridge, and El Tae Singletrack.

Nearby routes

Moderate

4.5

26

Sweetwater River Trail loop

01:47h

18.9km

300m

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