Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Login or Signup

Routes
Running trails & routes
United States
California
San Bernardino County

Devil's Backbone Trail loop

Hard

3.1

(26)

42

runners

Devil's Backbone Trail loop

02:55

16.4km

1,190m

Running

Prepare for a challenging jogging experience on the Devil's Backbone Trail loop, a difficult route spanning 10.2 miles (16.4 km) with a significant 3888 feet (1185 metres) of elevation gain. This strenuous journey, estimated to take around 2 hours and 55 minutes, offers constant sweeping vistas from its exposed ridgeline. You will find yourself jogging along a distinctive narrow ridge with steep drop-offs, leading to the spectacular 360-degree panoramic views from the summit of Mount San Antonio, also known as Mt. Baldy.

This is not a casual jogging route; it demands very good fitness, sturdy shoes, and alpine experience due to its rugged and demanding nature. The trail becomes exceptionally dangerous in winter, often requiring mountaineering equipment because of ice and snow. Even during warmer months, you should exercise caution due to the exposed conditions and rugged terrain.

Located in the Angeles National Forest, the Devil's Backbone Trail is renowned for its immense views that make the effort worthwhile. On clear days, you can spot distant peaks like Mount San Gorgonio and Mount San Jacinto from the summit. The trail's unique geological formation, with its narrow backbone and steep slopes, sets it apart as a truly memorable and demanding adventure.

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Sheep Mountain Wilderness

Angeles National Forest

Waypoints

A

Start point

Parking

Get Directions

1

1.86 km

Baldy Bowl (Ski Hut) Trail

Highlight (Segment) • Trail

The Baldy Bowl Trail, or the Ski Hut Trail, is the shortest way up to the summit of Mount San Antonio (Mt. Baldy), the highest point in Los Angeles County. In order to achieve this however, the trail more or less bombs up the side of the mountain and is quite steep.

Tip by

2

6.23 km

Mount San Antonio is also called Mount Baldy because of its treeless summit. The summit is at 10,064 feet, or 3,068 meters. Mount San Antonia gets an average of 130 inches of snow per year. In the winter, some suit up with ice axes and crampons and climb in the snow.

Tip by

3

8.10 km

Devil's Backbone Trail

Highlight (Segment) • Trail

The Devils Backbone Trail is one of the most popular trails to summit Mount San Antonio (Mt. Baldy). Unlike the other most popular trail, the Baldy Bowl, or Ski Hut, Trail this trail is longer and more gradual making for a somewhat easier, but still very challenging experience.

Tip by

B

16.4 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

6.31 km

5.45 km

2.76 km

1.87 km

< 100 m

Surfaces

10.6 km

3.19 km

1.92 km

741 m

Sign up to see more specific route details

Sign up for free

Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Monday 18 May

13°C

2°C

0 %

Additional weather tips

Max wind speed: 3.0 km/h

to get more detailed weather forecasts along your route

This route was planned by komoot.

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Frequently Asked Questions

Is the Devil's Backbone Trail loop suitable for beginners or casual joggers?

No, this trail is considered a "hard run" and is very strenuous, requiring excellent fitness, sure-footedness, and sturdy shoes. It is not recommended for beginners or casual joggers due to its rugged terrain, narrow ridgeline with steep drops, and sections of scree and steep switchbacks, especially as you approach the summit of Mount Baldy.

What is the terrain like on the Devil's Backbone Trail loop?

The terrain is rugged and demanding. You'll encounter a narrow, rising ridgeline with steep drop-offs on both sides, which can be challenging for those with a fear of heights. As you ascend towards the summit, the trail becomes steeper, featuring loose rock (scree) and numerous switchbacks. It requires careful footing throughout.

What is the best time of year to jog the Devil's Backbone Trail loop?

The best time to tackle this trail is during the warmer months, typically late spring through early fall. In winter, the trail becomes exceptionally dangerous due to ice and snow, often requiring mountaineering equipment and experience. Always check weather conditions before heading out, as conditions can change rapidly at higher elevations.

Do I need any permits or pay an entrance fee for the Devil's Backbone Trail loop?

Yes, the Devil's Backbone Trail loop is located within the Angeles National Forest. A Forest Adventure Pass is typically required for parking at trailheads in the Angeles National Forest. You can purchase these passes at various vendors or ranger stations. Always verify current requirements before your visit.

Where can I park to access the Devil's Backbone Trail loop, and are there public transport options?

The loop typically starts from Manker Flats, where parking is available. However, parking can fill up quickly, especially on weekends. While public transport options directly to the trailhead are limited, some visitors opt to use the Mount Baldy ski lift to reach Baldy Notch, which shortens the initial ascent to the start of the Devil's Backbone segment.

Is the Devil's Backbone Trail loop dog-friendly?

Generally, dogs are allowed on trails in the Angeles National Forest, including the Devil's Backbone Trail, but they must be kept on a leash. Given the strenuous and rugged nature of this particular trail, with narrow sections and steep drop-offs, it may not be suitable for all dogs, especially those not accustomed to challenging alpine conditions.

What are the main viewpoints and points of interest along the Devil's Backbone Trail loop?

The trail is renowned for its spectacular and immense views. As you traverse the ridgeline, you'll enjoy sweeping vistas. From the summit of Mount San Antonio ("Mt. Baldy"), you'll get 360-degree panoramic views of the Angeles National Forest and the greater Los Angeles area. On clear days, you can even spot Mount San Gorgonio and Mount San Jacinto in the distance. The Devil's Backbone Trail itself, with its distinctive narrow ridgeline, is a notable feature.

What essential gear and precautions should I consider for this challenging trail?

Given the trail's difficulty, you should bring sturdy hiking shoes with good ankle support, plenty of water, sun protection (hat, sunscreen), layers of clothing as weather can change quickly, and a map/navigation device. Due to the exposed ridgeline and steep drops, those with a fear of heights should exercise extreme caution. Always inform someone of your plans before heading out.

Does the Devil's Backbone Trail loop intersect with other notable trails?

Yes, the route incorporates several well-known paths. It includes significant portions of the Baldy Bowl (Ski Hut) Trail and the Devil's Backbone Trail. You'll also traverse sections of Baldy Road and Mt. Baldy Road, and smaller segments of trails like Register Ridge and Bear Canyon Trail.

Is there a way to shorten the initial ascent to the Devil's Backbone Trail?

Yes, you can take the Mount Baldy ski lift from the base to Baldy Notch. This significantly shortens the initial climb and allows you to start the more challenging Devil's Backbone segment directly from the Notch, saving considerable elevation gain and time on the lower sections of the mountain.

What kind of wildlife might I encounter on the trail?

While specific wildlife sightings are never guaranteed, the San Gabriel Mountains are home to various species. You might spot deer, squirrels, and a variety of birds. Keep an eye out for raptors soaring above the ridgelines. Always observe wildlife from a distance and do not feed them.

Nearby routes

Hard

75

Devil's Backbone Trail loop

02:55h

16.4km

1,190m

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy