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Routes
Running trails & routes
United States
Colorado
Pitkin County

Sunnyside Trail

Hard

3.2

(22)

39

runners

Sunnyside Trail

01:26

9.23km

500m

Running

Jog the challenging 5.7-mile Sunnyside Trail in White River National Forest, gaining 1657 feet with panoramic views of Aspen Valley.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

266 m

Sunnyside Trail Trailhead

Highlight • Trail

Here, Sunnyside Trail branches off the Rio Grande Trail and continues up towards Red Mountain. Sunnyside Trail is a popular trail in the area for hikers and runners, so expect to see others on the way up.

In total, this trail runs about 10 miles, but there are some very nice overlooks a couple of miles in before reaching the aspen grove that make a good turn around spot if you are looking to make a shorter trip.

Tip by

2

4.59 km

Aspen Grove/Radio Tower

Highlight • Forest

This small aspen grove on the Sunnyside Trail is a popular turnaround point for runners. Most people choose to turn around at a small radio tower or just a bit after passing it.

Tip by

B

9.23 km

End point

Parking

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Way Types & Surfaces

Way Types

9.20 km

< 100 m

Surfaces

8.71 km

488 m

< 100 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.

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Weather

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Today

Friday 8 May

18°C

2°C

4 %

Additional weather tips

Max wind speed: 18.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the Sunnyside Trail?

The trail is easily accessible from town, often via Cemetery Lane or behind the Hunter Creek condominiums. These areas typically offer parking options for trail users.

Are there any permits or fees required to jog this trail?

No, there are no specific permits or entrance fees required to jog the Sunnyside Trail. It is located within the White River National Forest, which generally does not charge for day-use access to trails.

Is the Sunnyside Trail dog-friendly?

Yes, the trail is dog-friendly. Please ensure your dog is kept on a leash and that you clean up after them to maintain the trail for everyone.

What is the best time of year to jog the Sunnyside Trail?

The trail is particularly stunning in autumn when the yellow aspen leaves are at their peak. However, it offers beautiful scenery throughout the warmer months. Be aware that sections can become muddy and slick with melting snow, especially near the treeline, during spring.

What is the terrain like on the Sunnyside Trail?

The trail is primarily a dirt singletrack with a steady uphill climb and numerous switchbacks. While generally well-graded, sections can be steep, and parts may include rocky areas. It's known for being south-facing, so it receives a lot of sun.

Is this trail suitable for beginners?

The Sunnyside Trail is characterized as a 'moderate' to 'hard' run due to its significant elevation gain and challenging sections. It requires good fitness, so it might be difficult for absolute beginners. However, starting from Cemetery Lane and turning back at the second intersection with the Shadyside Trail offers a shorter, roughly 6-mile round trip option.

What scenic views or landmarks can I expect along the route?

Joggers are treated to breathtaking views of Red Mountain and the surrounding valley, the entire Aspen Valley extending to Mount Sopris, and beautiful aspen and pine forests. Notable highlights include the Sunnyside Trail Trailhead and the Aspen Grove/Radio Tower. Around mile 2, there are ideal spots for photos due to incredible vistas.

Does the Sunnyside Trail connect with other trails?

Yes, the route also passes through sections of the Rio Grande Trail, Gold Butte Trail, Gold Butte Climber's Trail, and Cemetary Lane Trail. It can also be extended by connecting to the Shadyside Trail or continuing towards the summit of Red Mountain or Hunter Creek.

Is the Sunnyside Trail a loop, or out-and-back?

The Sunnyside Trail itself is primarily an out-and-back route. However, it can be incorporated into longer loop adventures by connecting with other trails in the area.

How long does it typically take to jog the full Sunnyside Trail?

The full trail is about 9.2 kilometers (approximately 5.7 miles) one way, with an elevation gain of about 505 meters. For an average jogger, the full out-and-back route could take around 1 hour and 25 minutes to 2 hours, depending on fitness level and pace.

What are common turnaround points for shorter runs on the trail?

Many runners use a small aspen grove or the Radio Tower a few miles in as common turnaround points for shorter runs. Starting from Cemetery Lane and turning back at the second intersection with the Shadyside Trail also creates a popular roughly 6-mile round trip.

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