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Routes
Bike touring routes & trails
United States
Colorado
Boulder County

Jumbo Mountain loop from West Magnolia Trail Head

Routes
Bike touring routes & trails
United States
Colorado
Boulder County

Jumbo Mountain loop from West Magnolia Trail Head

Hard

4.9

(3625)

5,583

riders

Jumbo Mountain loop from West Magnolia Trail Head

03:43

40.1km

980m

Cycling

The Jumbo Mountain loop from West Magnolia Trail Head offers a challenging touring cycling experience through a dynamic landscape near Nederland, Colorado. You'll navigate a mix of singletrack and dirt roads, winding through dense pine and aspen forests before opening up to reveal stunning views of the South Boulder Creek…

Last updated: June 9, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Roosevelt National Forest

Waypoints

A

Start point

Parking

Get Directions

1

27.7 km

Jumbo Mountain

Highlight • Summit

Jumbo Mountain stands at 9,967 feet (3,038 m). There is a trail road up most of the ascent on the southern side and a campsite on the track below that.

Tip by

2

37.2 km

Los Lagos Reservoirs

Highlight (Segment) • Lake

A series of small privately owned reservoirs clearly visible from State Highway 119. The lakes are popular with fishing people and a good place to spot many different bird species.

Tip by

B

40.1 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

22.2 km

11.0 km

6.90 km

Surfaces

20.7 km

12.9 km

3.93 km

2.60 km

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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 (3,220 m)

Lowest point (2,460 m)

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Weather

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Today

Saturday 11 July

25°C

12°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

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Frequently Asked Questions

Is the 'Jumbo Mountain loop from West Magnolia Trail Head' suitable for touring cycling?

Based on available information, a specific 'Jumbo Mountain loop' starting from the West Magnolia Trail Head and suitable for touring cycling is not a recognized or appropriate route. The West Magnolia Trail System is primarily designed for mountain biking and hiking, featuring technical singletrack, rocks, and roots. Additionally, the James Peak Wilderness, which is in the general vicinity, prohibits mechanized transport, including bicycles, on its wilderness trails.

What kind of cycling is suitable for the West Magnolia Trail System?

The West Magnolia Trail System near Nederland, Colorado, is a popular destination for mountain biking. Its network of singletrack trails features undulating terrain with climbs, descents, rocks, and roots, making it generally considered intermediate to difficult. It is not typically suitable for touring cycling, which usually implies roads or well-maintained paths for road or gravel bikes.

Can I go touring cycling in the James Peak Wilderness?

No, touring cycling is generally not permitted within the James Peak Wilderness. As a designated wilderness area, it has restrictions on mechanized transport, including bicycles, on its trails. These areas are primarily for hiking and horseback riding to preserve their wild character.

Where can I park at the West Magnolia Trail Head?

Parking is available at the West Magnolia Trail Head near Nederland, Colorado. This trailhead provides access to the extensive West Magnolia trail system. It's advisable to arrive early, especially on weekends, as parking can fill up quickly.

Is the West Magnolia Trail System dog-friendly?

Yes, the West Magnolia Trail System is generally dog-friendly. However, dogs should always be kept on a leash to protect wildlife and ensure a pleasant experience for all trail users. Please remember to pack out all pet waste.

What is the best time of year to visit the West Magnolia Trail System?

The West Magnolia Trail System is typically best visited from late spring through early fall (May to October) when the trails are free of snow and ice. Summer offers lush scenery, while fall brings beautiful aspen colors. Always check local weather and trail conditions before heading out, as conditions can change rapidly in the mountains.

Are there any permits or fees required for visiting the Arapaho and Roosevelt National Forests?

Generally, there are no entrance fees for accessing the Arapaho and Roosevelt National Forests, which encompass the West Magnolia Trail System and the James Peak Wilderness. However, some specific developed recreation sites or trailheads might require a fee or a pass (like a day-use fee or an annual pass). For the most current information on permits and fees, it's best to check the official USDA Forest Service website: usda.gov.

What points of interest are near the West Magnolia Trail Head?

While the specific 'Jumbo Mountain loop' for touring cycling is not recommended, the area around the West Magnolia Trail Head offers scenic views. Notable highlights in the broader region include Jumbo Mountain and the Los Lagos Reservoirs. The West Magnolia trails themselves wind through pines and aspens, occasionally opening up to views of the Indian Peaks.

Does the West Magnolia Trail System connect to other trails?

Yes, the West Magnolia Trail System is an intricate network. While the described 'Jumbo Mountain loop' for touring cycling is not appropriate, the area includes sections of trails like Aspen Alley, Re-Root, Blue Dot, and various segments of Jumbo Mountain Road, Jenny Lind - Perigo, and Dakota Hill Road. Navigation can be tricky due to the extensive network, so using a detailed map is highly recommended.

Is there public transport to the West Magnolia Trail Head?

Public transportation options directly to the West Magnolia Trail Head are limited. Access is primarily by private vehicle. Nederland, Colorado, is the closest town with some public transport services, but you would likely need to arrange a ride or taxi from there to reach the trailhead.

What is the terrain like around the West Magnolia Trail Head?

The terrain around the West Magnolia Trail Head is characterized by a 'spaghetti network' of trails with undulating sections, including both climbs and descents. Riders can expect steep sections, rocks, and roots. While some parts offer flowy riding, others are more technical. The landscape varies from forested areas to clear-cut sections, offering diverse views.

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