Old Topanga Canyon Loop
Old Topanga Canyon Loop
4.7
(8314)
8,315
riders
03:12
53.3km
1,020m
Road cycling
Embark on the Old Topanga Canyon Loop, a difficult racebike route that winds through the scenic Santa Monica Mountains. This challenging 33.1 miles (53.3 km) journey demands good fitness, featuring significant climbs and a total elevation gain of 3341 feet (1018 metres). You can expect to complete this ride in…
Last updated: April 23, 2026
Waypoints
Start point
Parking
Get Directions
33.6 km
Highlight • Viewpoint
Tip by
48.3 km
Highlight • Beach
Tip by
53.3 km
End point
Parking
Way Types & Surfaces
Way Types
29.8 km
18.1 km
2.64 km
1.37 km
838 m
221 m
Surfaces
51.9 km
978 m
< 100 m
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Elevation
Highest point (710 m)
Lowest point (0 m)
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Weather
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Saturday 18 July
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This route was planned by komoot.
Specific trailhead parking for this road cycling loop isn't explicitly mentioned, as it's a loop route often started from various points. Many cyclists begin their ride from nearby communities in the Santa Monica Mountains or coastal areas. Consider parking in a suitable public area in Topanga Canyon or Calabasas, ensuring you check local parking regulations.
No, this loop is generally considered a difficult ride, demanding very good fitness due to its substantial elevation changes and steep gradients. Routes incorporating Old Topanga and Tuna Canyon require strong climbing legs, with sections reaching 10-15% grade. It's best suited for experienced road cyclists.
The route offers wonderful mountain and sea views. You'll experience pristine climbing through lovely, wild country and along ridge spines that provide great views of the Santa Monica Mountains to the west and north, and the coastline and ocean to the south. Expect breathtaking 360-degree views ranging from the San Gabriel Mountains to Santa Monica Bay and inland toward downtown Los Angeles, especially from Tuna Canyon Park, which offers some of the grandest ocean views.
The Santa Monica Mountains generally offer good cycling conditions year-round. However, spring and fall often provide the most pleasant temperatures. Summers can be hot, especially inland, and winters can bring rain, which might lead to debris on the roads. Always check the weather forecast before you go.
No, there are typically no permits or entrance fees required to cycle the public roads that make up the Old Topanga Canyon Loop within the Santa Monica Mountains National Recreation Area. However, always respect private property and local regulations.
A highlight for road cyclists is the one-way downhill designation of Tuna Canyon Road, offering a thrilling descent without oncoming vehicle traffic. The route also incorporates iconic Santa Monica Mountains roads and passes through diverse scenery, from lush valleys to remote rolling hills and expansive ocean vistas. You'll also pass by the Viewpoint at Backbone Trail and Topanga Beach.
This route is primarily a challenging road cycling loop. While dogs are generally welcome in many parts of the Santa Monica Mountains National Recreation Area on leash, bringing a dog on a demanding road bike ride like this is not typically recommended or practical for their safety and yours.
The terrain consists of paved roads, generally in good condition, but with significant elevation changes. You'll encounter sustained climbs with average gradients of 5.5% and sections up to 15%, followed by exhilarating descents. While roads are mostly well-maintained, be aware that some sections may have debris from landslides, especially after rain.
Yes, the route intersects with or runs alongside several other paths and roads. Notably, it includes sections of the Backbone Trail, Pacific Coast Bike Route (South), Lower Stunt High Trail, and Upper Stunt High Trail, among others.
While the route itself is quite wild, the general area includes destinations like Pedaler's Fork in Calabasas, a cafe-restaurant created by a cyclist for cyclists, offering amenities like bike parking, water, air, and even a bike shop. These can be good starting or ending points, or places to refuel if your route passes nearby.
The Old Topanga Canyon Loop is a demanding ride covering approximately 53 kilometers (33 miles) with over 1000 meters (3,300 feet) of elevation gain. For an experienced road cyclist, it typically takes around 3 hours and 11 minutes of active cycling time, but this can vary significantly based on fitness level and stops.
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