4.8
(28)
706
riders
33
rides
Road cycling around Jamul, located in the foothills of San Diego County, offers diverse landscapes and varied terrain. The region features rolling hills, quiet valleys, and expansive natural areas, characterized by grasslands, oak groves, and rugged mountain terrain. Significant elevation changes are present, with routes traversing low-elevation mountain ranges like the Jamul Mountains and areas around the Sweetwater River. This topography provides a range of road cycling opportunities, from moderate rides to challenging climbs.
Last updated: April 30, 2026
4.8
(5)
175
riders
66.6km
03:30
1,200m
1,200m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
32
riders
60.9km
02:54
750m
750m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

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14
riders
45.4km
02:05
490m
500m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
6
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
7
riders
45.4km
02:29
920m
920m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
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The Sweetwater River is a small year-round stream that flows 55 miles from the Cuyamaca Mountains to the San Diego Bay.
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The Steele Canyon Bridge, also known as the Sweetwater River Bridge, is a beautiful landmark crossing the Sweetwater River. It is on the National Register of Historic places, and is no longer used for vehicles but is a great hiking, running or biking spot.
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This trail runs between the recently renovated Mast Park with the San Diego River. Along the way, you'll enjoy the calming sounds of the river and have the opportunity to spot wildlife in the area.
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The Sweetwater River flows from Loveland Dam passing through Lake Emma, where the river bends west and runs parallel to Dehesa Road. The lake is fenced off and access is limited. At the western end of the lake is a golf club.
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As you hike around the south side of the Upper Otay Reservoir you get a good view of the dam. The wall and graffiti are a cool contrast in between the upper and lower reservoir waters.
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Hollenbeck Canyon Wildlife Area provides a 6,100-acre wildlife corridor between Otay Mountain and the Jamul Mountains. This mainly includes coastal sage scrub, chaparral, oak woodlands, riparian forests, freshwater marshes, and grasslands. The height range hovers between a low of 750' to 2,100'. There are official designated hiking trails for visitors to hike.
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Lower Otay Reservoir is filled by the Otay River and a San Diego Aqueduct bringing water from the Colorado River. The dam attached to it is known as Savage Dam and was built in 1918. It is a beautiful landmark to hike around and enjoy the calm of the water.
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There are over 35 road cycling routes around Jamul, offering a diverse range of experiences. These routes are highly rated by the komoot community, with an average score of 4.6 stars.
Jamul's landscape is characterized by rolling hills, quiet valleys, and expansive natural areas. You'll encounter rolling grasslands, shady oak groves, and rugged mountain terrain, with significant elevation changes that provide both moderate rides and challenging climbs.
Yes, Jamul offers several challenging climbs. Notably, Honey Springs Road is a quintessential category 2 mountain climb, featuring a 7-mile stretch with an average 5% grade. Jamul Drive also presents a 2.2-mile bike climb with an average gradient of 4.9%.
Cyclists can enjoy views of the Jamul Mountains, the serene Sweetwater River, and the expansive Hollenbeck Canyon Wildlife Area. McGinty Mountain offers sweeping views of coastal plains and desert ranges, and Lyons Valley Road is known for its stunning sunrise and sunset vistas.
Absolutely. The Lyons Valley loop is a popular and challenging 41.4-mile route with significant elevation gain, offering scenic views around Barrett Lake. Another option is the Sweetwater River loop from Rancho San Diego, a moderate 28.2-mile path with varied terrain.
Jamul's mild climate generally makes it suitable for road cycling year-round. However, spring and fall often provide the most comfortable temperatures, avoiding the hotter summer months and potential winter rains. Always check local weather forecasts before heading out.
Yes, there are options for beginners. The Sweetwater River loop from Rancho San Diego is an easy 22.3-mile route with minimal elevation gain, perfect for a more relaxed ride.
While specific parking areas vary by route, many routes originate from or pass through areas like Rancho San Diego, which typically offers public parking. For routes within protected areas like the San Diego National Wildlife Refuge, designated trailheads often have parking facilities.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 19 reviews. Reviewers often praise the diverse landscapes, the challenge of the climbs, and the serene escape offered by the quiet valleys and natural beauty.
Some routes may pass by small towns or points of interest where you can find facilities. For example, the Lyons Valley Trading Post loop from Rancho San Diego passes by the Lyons Valley Trading Post, which can serve as a convenient stop.
Jamul is a more rural area, and direct public transport options to specific trailheads might be limited. It's generally recommended to drive or arrange transport to access the starting points of most road cycling routes in the region.
For those seeking longer rides, the 'Jamul Loop with Honey Springs' is a significant cycling route, spanning 67.5 km (approximately 42 miles) with over 1,000 meters of elevation gain, offering a substantial challenge.


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