4.6
(2003)
18,915
riders
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
Start point
Get Directions
1.35 km
Highlight (Segment) • Trail
Tip by
7.52 km
Highlight • Mountain Hut
Tip by
18.9 km
End point
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
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Yes, the route also passes through sections of the Sweetwater Access Road, Roadrunner, Jeep Trail, Steele Canyon Bridge, and El Tae Singletrack.