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Routes
Mountain biking trails
United States
California
Ventura County
Simi Valley

Las Llajas Canyon and Rocky Peak Loop

Moderate

3.3

(22)

53

riders

Las Llajas Canyon and Rocky Peak Loop

01:36

13.8km

460m

Mountain biking

This moderate 8.6-mile mountain biking loop in Marr Ranch Open Space offers diverse terrain and panoramic views of the Santa Susana Mountain

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Marr Ranch Open Space

Rocky Peak Park

Waypoints

A

Start point

Get Directions

1

6.11 km

Las Llajas Canyon Trail

Highlight (Segment) • Trail

This trail is very well maintained and features a slight incline throughout its entire length. Numerous fantastic vantage points offer panoramic views of the area, and you can even catch sight of the river running through the canyon.

Tip by

B

13.8 km

End point

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Way Types & Surfaces

Way Types

8.59 km

4.38 km

595 m

221 m

Surfaces

13.0 km

463 m

221 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 (810 m)

Lowest point (400 m)

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Weather

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Today

Saturday 23 May

23°C

12°C

0 %

Additional weather tips

Max wind speed: 10.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to mountain bike the Las Llajas Canyon and Rocky Peak Loop?

Based on the tour data, it takes approximately 1 hour and 36 minutes to complete this mountain biking loop. However, this can vary depending on your pace, skill level, and how often you stop to enjoy the views.

What is the terrain like on the Las Llajas Canyon and Rocky Peak Loop?

The terrain is quite varied. The Las Llajas Canyon Trail section is primarily a smooth fire road with a gradual incline. In contrast, sections like Rocky Peak, Chumash, and Hummingbird Trails are more technical singletrack, featuring rocky, chunky sections and fast descents. Hummingbird Trail, in particular, is considered a black diamond trail due to its challenging features. Be aware that after rain, you might encounter water crossings on the Las Llajas Canyon portion.

Is this mountain biking loop suitable for beginners?

While the Las Llajas Canyon Trail fire road section is relatively easy and suitable for beginners, the overall loop, especially when incorporating trails like Rocky Peak, Chumash, and Hummingbird, is rated as moderate. The technical descents on trails like Hummingbird can be challenging and may require less experienced riders to dismount. It's a good option for riders looking to combine easier climbs with more technical downhill sections.

What kind of scenery and viewpoints can I expect along the route?

You can expect spectacular panoramic views of the Santa Susana Mountains, Simi Valley, and even the distant Santa Monica Mountains. The area is characterized by striking sandstone boulders, unique geological formations (part of an ancient ocean bed), and oak savannahs. During spring, the Chumash Trail is especially known for beautiful wildflowers.

What is the best time of year to mountain bike this loop?

Spring is often recommended due to the pleasant temperatures and the chance to see wildflowers, especially along the Chumash Trail. Fall also offers good riding conditions. Summers can be very hot, so an early start is advisable if riding during warmer months. Be mindful of trail conditions after rain, as some sections can become muddy or have water crossings.

Are dogs allowed on the Las Llajas Canyon and Rocky Peak Loop?

Yes, dogs are generally allowed on trails within the Marr Ranch Open Space, which includes this loop. However, they must be kept on a leash at all times. Please remember to pack out any waste.

Where can I park to access the Las Llajas Canyon and Rocky Peak Loop?

Specific parking information for this loop often points to trailheads that provide access to the Las Llajas Canyon area. You can typically find parking near the entrance points to the Marr Ranch Open Space in Simi Valley. Always check local signage for designated parking areas and any restrictions.

Are there any permits or entrance fees required for mountain biking in Marr Ranch Open Space?

Generally, there are no permits or entrance fees required for day use of the trails within Marr Ranch Open Space. However, it's always a good idea to check the official California State Parks website (ca.gov) for the most current regulations, as policies can change.

Does this mountain biking route intersect with other well-known trails?

Yes, this loop incorporates several trails. The route primarily uses the Las Llajas Canyon Trail and Rocky Peak Trail. It also passes through sections of the Las Llajas, Marr Ranch Trail, Zoltan's Trail, El Toro Fire Truck Trail, and North Ridge Trail, offering a diverse riding experience.

What is the strategic advantage of starting the loop via Las Llajas Canyon?

Many mountain bikers use the Las Llajas Canyon Trail as an access point because it offers a relatively easy, gradual fire road climb. This allows riders to conserve energy for the more strenuous climb up Rocky Peak and then enjoy the technical fun of descending via singletrack trails like Chumash or Hummingbird, creating a balanced and exciting ride.

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