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Routes
Mountain biking trails
United States
California
Los Angeles County
San Gabriel Mountains National Monument

Eaton Saddle to El Prieto Shuttle

Hard

2.8

(3)

72

riders

Eaton Saddle to El Prieto Shuttle

01:58

20.9km

290m

Mountain biking

Tackle the difficult 13.0-mile Eaton Saddle to El Prieto mountain biking shuttle, featuring technical singletrack and lush canyon scenery.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Angeles National Forest

Waypoints

A

Start point

Get Directions

1

424 m

Mueller Tunnel

Highlight • Structure

Mueller Tunnel is definitely a highlight. You ride your bike through the San Gabriel Peak. The tunnel is very short, so you don't have to worry about bringing lights.

Tip by

2

3.11 km

Mt. Lowe East Trail

Highlight (Segment) • Trail

A great singletrack that winds around the East side of Mt. Lowe and then descends the South face.

Tip by

3

16.4 km

El Prieto Trail

Highlight • Trail

El Prieto Trail is a sweet singletrack with lots of switchbacks, stream crossings and rock gardens. Intermediate riders will love it.

Tip by

B

20.9 km

End point

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Way Types & Surfaces

Way Types

12.1 km

7.55 km

1.27 km

< 100 m

< 100 m

Surfaces

9.77 km

5.07 km

3.96 km

1.73 km

393 m

< 100 m

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Elevation

Elevation

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

Highest point (1,630 m)

Lowest point (350 m)

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Weather

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Today

Saturday 23 May

21°C

11°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How difficult is the Eaton Saddle to El Prieto Shuttle mountain bike trail?

This trail is generally considered an expert or 'black diamond' trail, requiring advanced riding skills. While the overall physical rating is moderate due to it being a shuttle run, the technical demands are high, especially on the El Prieto sections. Less experienced riders may need to dismount and walk through some technical parts.

What is the terrain like on this mountain biking route?

You can expect a diverse and often technical terrain. The route features rocky, exposed singletrack, fire roads, and numerous switchbacks. The 'Upper El Prieto' section is described as 'swoopy, gnarly, and fast,' while 'Lower El Prieto' includes mandatory drops, rock gardens, and multiple stream crossings. Be aware of blind corners and areas with extreme height exposure.

What are the best times of year to ride the Eaton Saddle to El Prieto Shuttle?

The best time to ride this trail is typically during the cooler, drier months, from late fall through spring. Summer can be very hot, especially on the exposed upper sections. Always check weather conditions before you go, as rain can make the technical sections more challenging and potentially dangerous.

Are there any permits or fees required to ride in the Angeles National Forest?

Yes, as this trail is located within the Angeles National Forest, you may need an Adventure Pass for parking at certain trailheads. It's always best to check the official Angeles National Forest website for the most current regulations regarding permits, fees, and any fire restrictions before your visit.

Is the Eaton Saddle to El Prieto trail dog-friendly?

While many trails in the Angeles National Forest allow dogs, it's crucial to check specific regulations for each section of this route, especially considering its technical nature and the presence of wildlife. If dogs are permitted, they must always be kept on a leash.

Where do I park for the Eaton Saddle to El Prieto Shuttle, and how does the shuttle work?

The primary draw of this route is its design as a shuttle run, minimizing climbs. Typically, riders arrange a shuttle by leaving a vehicle at the El Prieto trailhead (the exit point) and driving another to the Eaton Saddle trailhead (the starting point). Parking at both ends may require an Adventure Pass. Specific parking instructions and shuttle logistics are best planned in advance.

What notable features or landmarks will I see along the way?

The route offers impressive panoramic city views of Los Angeles and historical features. You'll pass by the Mueller Tunnel and ride sections of the highly regarded El Prieto Trail, known for its unique character. The lower sections of El Prieto also feature a lush, shaded canyon environment, a refreshing contrast to the more arid upper parts.

Does this route intersect with other trails?

Yes, this comprehensive route seamlessly connects several trails. You'll ride sections of the Mount Lowe East Trail, Middle Sam Merrill Trail, Sunset Ridge Trail, and the El Prieto Trail. Other official trails along the route include the Gabrielino Trail, Mount Lowe Motorway, and Millard Canyon Road, offering a varied riding experience.

What kind of scenery can I expect on this ride?

The ride offers a striking contrast in scenery. Higher elevations provide expansive, exposed views of Los Angeles and the Angeles National Forest. As you descend into the Lower El Prieto canyon, the environment transforms into a lush, shaded oasis with trees, green grasses, and diverse undergrowth alongside a small stream, a unique sight for Southern California trails.

What should I bring for a mountain bike ride on this trail?

Given the technical nature and potential exposure, you should bring plenty of water, snacks, a helmet, gloves, protective gear (knee/elbow pads are recommended), a first-aid kit, and tools for basic bike repairs. A GPS device or a downloaded map is also highly advisable, as cell service can be spotty.

Are there any specific safety considerations for this trail?

Due to its technical difficulty, riders should be experienced and confident in their skills. Be mindful of blind corners, steep descents, and potential height exposure. Always ride within your limits, and be prepared for varied trail conditions. It's also wise to ride with a buddy and inform someone of your plans.

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