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Routes
Mountain biking trails
United States
Colorado
Boulder County

Switzerland Trail and Gold Hill Loop

Moderate

4.6

(7690)

7,691

riders

Switzerland Trail and Gold Hill Loop

03:35

37.0km

810m

Mountain biking

Embark on the Switzerland Trail and Gold Hill Loop, a moderate mountain biking adventure spanning 23.0 miles (37.0 km) with a significant 2649 feet (807 metres) of elevation gain. This route takes you through stunning aspen groves and deep conifer forests, offering amazing views of the Continental Divide and surrounding high peaks. You will encounter varied terrain, from rocky and rugged sections that test your skills to smoother, faster segments, making for a dynamic ride. Plan for an estimated 3 hours and 35 minutes to complete this rewarding journey.

When planning your ride, be aware that this is a multi-use trail, so you should expect to share the path with ATVs and 4x4s. The terrain includes chundery bits, ruts, and mixed surfaces, making a mountain bike highly recommended for the best experience. Parking is generally available at the trailheads, but it is always a good idea to check local conditions before you head out. Consider starting early to avoid peak traffic on busy days.

The Switzerland Trail section of this loop follows a historic narrow-gauge railroad, adding a unique blend of history to your outdoor experience. This route is set within the beautiful Arapaho and Roosevelt National Forests, providing a true immersion in the natural landscape. It offers a challenging yet satisfying ride that stands out in the region for its diverse scenery and engaging trail characteristics.

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

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1

18.7 km

Switzerland Trail

Highlight (Segment) • Trail

The Switzerland Trail follows the remains of a narrow gauge railroad, that ran from the 1890's until 1919. The scenery is stunning and the trail is smooth and fast for the most part.

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B

37.0 km

End point

Parking

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Way Types & Surfaces

Way Types

20.4 km

14.8 km

1.61 km

267 m

Surfaces

31.1 km

4.05 km

1.36 km

267 m

192 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 (2,850 m)

Lowest point (2,340 m)

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Weather

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Today

Wednesday 6 May

2°C

-10°C

16 %

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

What is the terrain like on the Switzerland Trail and Gold Hill Loop?

The terrain is quite varied. Much of the Switzerland Trail portion follows a historic narrow-gauge railroad bed, offering moderate grades. However, expect rocky, rugged, and chundery sections with ruts and loose rocks. The Gold Hill Road section involves significant climbs, and some parts of the loop feature steep, technical descents. It's generally not suitable for hybrid bikes; a mountain bike is highly recommended.

What are the best times of year to mountain bike this loop?

The best time to ride is typically from late spring through early fall, when the trail is free of snow and ice. Summer offers lush aspen groves and conifer forests, while fall brings spectacular foliage. Always check local weather and trail conditions before heading out, as winter riding can be challenging or impossible due to snow.

Are there any permits or fees required to access the trail?

No specific permits are required for mountain biking the Switzerland Trail and Gold Hill Loop itself. However, the trail is located within the Arapaho and Roosevelt National Forests, which generally do not require entrance fees for day use. Always be aware of any posted regulations or temporary closures.

Is the Switzerland Trail and Gold Hill Loop dog-friendly?

Yes, dogs are generally welcome on the trail. It's important to keep your dog on a leash, especially given that it's a multi-use trail shared with ATVs and 4x4s, and to practice Leave No Trace principles by cleaning up after your pet.

Where can I park to access the trailhead?

Parking is available at various points along the route. A common access point is near the town of Nederland or in the Gold Hill area. Specific trailhead parking can be found by consulting detailed maps or local resources, but be aware that parking areas can fill up quickly, especially on weekends.

What kind of views can I expect along the route?

You'll be treated to spectacular mountain scenery throughout the ride. Expect amazing panoramic views of the Continental Divide and high peaks in all directions. The route also winds through beautiful aspen groves and deep conifer forests, offering a diverse visual experience.

Does the trail intersect with other paths?

Yes, the route passes through sections of several other trails. Notable intersecting paths include the Switzerland Trail Colorado and North Western Rail Road, Sourdough Trail, Lincoln Log, Sawmill Gulch Cutoff, and various segments of Fourmile Creek trails.

Is this loop suitable for beginner mountain bikers?

While parts of the Switzerland Trail section can be considered moderate and even suitable for gravel grinders, the overall loop, especially the Gold Hill Road portion, includes challenging climbs and technically demanding sections with deep ruts and loose rocks. Beginners should be prepared for a strenuous ride or consider shorter, less technical segments.

What is the historical significance of the Switzerland Trail?

The Switzerland Trail follows the remnants of a narrow-gauge railroad line that operated in the late 19th and early 20th centuries. The name 'Switzerland' was used to market the scenic views to tourists during the railroad's operational days. The western end of the trail is even listed on the National Register of Historic Places.

What's an insider tip for riding this loop?

For a potentially less strenuous experience on the climbs, consider riding the loop in a counter-clockwise direction. This allows you to tackle the steeper, more sustained climbs of Gold Hill Road earlier in your ride, potentially making the overall experience more manageable, especially if you prefer descending the more moderate grades of the Switzerland Trail.

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

Given the trail's length and varied terrain, it's essential to bring plenty of water, snacks, a repair kit for your bike (including a spare tube and pump), and appropriate layers of clothing. Sun protection, a helmet, and a first-aid kit are also highly recommended. Cell service can be spotty, so consider downloading offline maps.

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