4.2
(32)
2,485
riders
72
rides
Road cycling around San Dimas features a landscape characterized by rolling terrain and open spaces, often centered around the Puddingstone Reservoir. The region offers a mix of urban and natural environments, with routes traversing local roads and dedicated paths. Elevation changes are moderate, providing varied challenges for cyclists. The area provides numerous road bike loop trails San Dimas cyclists can explore.
Last updated: May 11, 2026
3.0
(1)
25
riders
15.2km
01:26
150m
150m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
4.7
(6)
113
riders
37.6km
02:23
780m
780m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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5.0
(1)
67
riders
26.4km
01:14
280m
280m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
31
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
11
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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You can cycle across the top of the dam, which was constructed in 1928 to help control flooding in the region. It stands at 147 feet high, and today supports a myriad of outdoor recreation activities on the reservoir.
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Monte Vista Avenue has smooth pavement with light traffic. There is a bike lane and you can combine it with the Pacific Electric Trail. Ideal if you want a quiet stretch or a shortcut off the main trail.
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Great view of the Puddingstone Reservoir, a 250-acre man-made body of water. There is a road that runs along the perimeter of the reservoir and there is a spot to pull off the road to get a close up view of the water.
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Puddingstone Reservoir is an artificial lake spanning 250 acres. In the past, it played a dual role, functioning not only as a flood control basin but also as a vital water source for local citrus growers. Today, the dam remains operational and is currently undergoing improvements. Today, visitors can enjoy various amenities at Puddingstone Reservoir, including boat rentals, campsites, a fish cleaning station, restrooms, showers, a snack bar, and a designated swimming area.
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Little Dalton Debris Basin is a small, man-made collecting pond in Big Dalton Canyon Wilderness Park. It is just off Big Dalton Canyon Road and Glendora Mountain road, which are both popular, challenging roads for biking.
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Newman Point is an awesome overlook area with a large parking lot off the side of Glendora Mountain Road. The overlook peers down at Morris Reservoir and West Covina off in the distance.
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Newman Point is an awesome overlook area with a large parking lot off the side of Glendora Mountain Road. The overlook peers down at Morris Reservoir and West Covina off in the distance.
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Big Dalton Canyon Wilderness Park plays host to many trails, reservoirs, and recreation areas. The Big Dalton Canyon Road is a popular road for biking, though the pavement does eventually deteriorate.
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There are over 75 road cycling routes around San Dimas, offering a wide range of options for different skill levels and preferences. You'll find everything from easy, flat rides to more challenging routes with moderate elevation changes.
Yes, San Dimas offers several routes perfect for beginners. For instance, the Bonelli Trail is an easy 9.4-mile route with gentle climbs and scenic views, ideal for those new to road cycling. Overall, there are 24 easy routes to choose from.
Road cycling in San Dimas features a landscape characterized by rolling terrain and open spaces, often centered around the Puddingstone Reservoir. You'll encounter a mix of urban and natural environments, with routes traversing local roads and dedicated paths. Elevation changes are generally moderate, providing varied challenges.
Yes, for those looking for longer rides, routes like the Puddingstone Reservoir – View of Puddingstone Reservoir loop from Foothill Transit 187 offer a substantial distance of 28.0 miles, leading through varied landscapes around the reservoir. Many routes extend beyond 20 miles, providing ample opportunity for endurance cycling.
Many routes offer beautiful views, particularly around the Puddingstone Reservoir. You can enjoy sights like the View of Puddingstone Reservoir. Other notable attractions in the wider area include the San Gabriel Canyon Road Scenic View and the View of Morris Reservoir from Newman Point.
Absolutely. Many road cycling routes in San Dimas are designed as loops, allowing you to start and end at the same point. Examples include the Puddingstone Reservoir Dam – Brackett Field Airport loop and the View of Puddingstone Reservoir – View of Puddingstone Reservoir loop from Covina.
The road cycling routes in San Dimas are highly rated by the komoot community, with an average score of 4.3 stars from over 30 reviews. Cyclists often praise the varied terrain, the scenic views around the reservoirs, and the mix of urban and natural paths that cater to different ability levels.
San Dimas, located in Southern California, generally offers favorable conditions for road biking year-round. Spring and fall provide particularly pleasant temperatures, while winters are mild. Summers can be warm, so early morning or late afternoon rides are often preferred during peak summer months.
Yes, several routes are suitable for families, especially those with dedicated paths or less traffic. The Bonelli Trail, for example, is an easy route with gentle climbs, making it a good option for families looking for a relaxed ride.
Many popular road cycling routes in San Dimas, especially those around Puddingstone Reservoir and other parks, offer designated parking areas. Specific parking information can often be found on the individual route pages on komoot, or by checking local park websites.
While San Dimas is known for its rolling terrain and moderate elevation, some routes do offer more significant climbs for those seeking a challenge. The region's proximity to the San Gabriel Mountains means that routes extending further north or east can incorporate more substantial ascents, though specific 'best climbs' are not highlighted within the immediate guide data.
The duration of a ride through the San Dimas Canyon area can vary greatly depending on the specific route taken and your cycling pace. For example, a moderate 11.9-mile loop like the Puddingstone Reservoir Dam – Brackett Field Airport loop might take around 1 hour 20 minutes to complete, but longer routes will naturally require more time.


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