Backbone Trail and Westridge Fire Road Loop
Backbone Trail and Westridge Fire Road Loop
2.5
(26)
77
runners
03:37
28.0km
850m
Running
Prepare for a difficult jogging challenge on the Backbone Trail and Westridge Fire Road Loop, covering 17.4 miles (28.0 km) with a significant 2777 feet (846 metres) of elevation gain. This route takes around 3 hours and 36 minutes to complete, guiding you through deep wooded canyons and past striking…
Last updated: April 23, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Topanga State Park
Waypoints
Start point
Parking
Get Directions
2.18 km
Highlight (Segment) • Trail
Tip by
5.42 km
Public Water Fountain
Public Water Fountain
5.46 km
Highlight • Viewpoint
Tip by
14.4 km
Highlight • Trail
Tip by
15.7 km
Highlight • Summit
Tip by
17.9 km
Highlight (Segment) • Trail
Tip by
28.0 km
End point
Parking
Way Types & Surfaces
Way Types
15.4 km
12.0 km
650 m
Surfaces
19.7 km
4.60 km
2.95 km
763 m
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Elevation
Highest point (620 m)
Lowest point (170 m)
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Weather
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Thursday 9 July
26°C
15°C
0 %
Additional weather tips
Max wind speed: 10.0 km/h
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This route was planned by komoot.
Parking information for this specific loop can vary depending on your starting point. Generally, access points to the Backbone Trail and Westridge Fire Road are available in the Santa Monica Mountains. It's advisable to check the official Topanga State Park website for current parking regulations and designated areas, as street parking may be limited or restricted.
The Backbone Trail and Westridge Fire Road Loop is primarily located within Topanga State Park. While there isn't a specific permit required for jogging the trail itself, Topanga State Park may have day-use fees for parking at certain trailheads. Always check the official California State Parks website for the most up-to-date information on fees and regulations.
Regulations for dogs can vary within the Santa Monica Mountains National Recreation Area and Topanga State Park. Generally, dogs are permitted on fire roads and paved trails but often not on single-track hiking trails. It's crucial to check specific signage at the trailhead or the official park websites (like nps.gov or California State Parks) for the most current rules regarding dogs on this particular loop, and always keep them on a leash.
The Santa Monica Mountains offer pleasant jogging conditions for much of the year. Spring and fall are often ideal, with milder temperatures and vibrant scenery. Summers can be hot, especially in exposed sections, so early morning or late afternoon jogs are recommended. Winters are generally mild but can bring rain, potentially leading to muddy sections. Always check the weather forecast before heading out.
The loop offers a varied terrain. You'll encounter well-maintained single-track paths, wider dirt fire roads, and some sections with switchbacks for graded climbs and descents. Surfaces can range from narrow footpaths to unpaved roads. While designed for manageable inclines, some parts can be mildly steep. Be aware that after rain, certain sections might become muddy.
This loop provides diverse scenery, including deep wooded canyons, rocky outcroppings, and expansive ocean vistas that may include the Channel Islands. Inland, you can see the San Gabriel Mountains and even downtown Los Angeles. Highlights along the way include the San Vicente Mountain Viewpoint and the Temescal Peak. The trail also passes through coastal sage scrub and chaparral ecosystems.
This loop is considered difficult for jogging, covering approximately 28 kilometers (17.4 miles) with over 800 meters (2,600 feet) of elevation gain. For an average jogger, it typically takes around 3 hours and 36 minutes to complete, but this can vary significantly based on fitness level, pace, and stops for views.
Joggers should be aware of potential hazards such as rattlesnakes, poison oak, and ticks, especially during warmer months. Cell phone reception can be unreliable or non-existent in many sections of the Santa Monica Mountains, so it's important to be prepared and inform someone of your plans. Always carry enough water, as it's generally not available at most trailheads.
Yes, the route incorporates sections of several well-known paths. You'll spend a significant portion on the Backbone Trail and the Westridge Fire Road. Other trails that intersect or are part of this loop include Rogers Road Trail (Backbone Trail), Mulholland Drive, Fire Road 30, and Josepho Spur Trail, offering connections to a wider network within the Santa Monica Mountains.
No, water is generally not available at most trailheads or along the Backbone Trail and Westridge Fire Road Loop. It is crucial to carry sufficient water for the entire duration of your jog, especially given the trail's length and elevation changes. Plan to bring more than you think you'll need, particularly on warmer days.
When jogging within Topanga State Park, it's important to stay on marked trails to protect the sensitive ecosystem. Pack out all trash, respect wildlife, and be mindful of other trail users (hikers, mountain bikers, equestrians). Fires are strictly prohibited. Always check the official California State Parks website for any specific alerts, closures, or additional regulations before your visit.
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