Biking the Sunnyside Trail Near Aspen, Colorado

For mountain bikers seeking a trail that balances challenge with breathtaking beauty, the Sunnyside Trail delivers in every way. Winding along the slopes of Red Mountain, this iconic Aspen singletrack offers heart-pumping climbs, thrilling descents, and panoramic views of the Roaring Fork Valley that make every pedal stroke worth it.

The ride begins with a steady climb from the trailhead near Cemetery Lane. Right away, the trail earns its name as it weaves through sun-drenched meadows dotted with wildflowers in summer and golden aspen leaves in fall. The initial ascent is no joke, but as you gain elevation, the views open up, revealing a sprawling canvas of mountain peaks and the town of Aspen nestled below.

Sunnyside’s flowy singletrack is a joy for experienced riders, offering a mix of smooth sections, rocky outcroppings, and technical turns that keep you fully engaged. Along the ridgeline, the trail delivers its signature feature: stunning, unobstructed vistas of the Elk Mountains and Pyramid Peak. The interplay of light and shadow on the valley below, especially in the golden hours of morning or evening, makes this ride as much a visual feast as it is a physical one.

The descent is pure adrenaline, with fast, swooping sections that test your reflexes and control. By the time you reach the lower switchbacks near Hunter Creek, your legs will be burning, your lungs full of crisp mountain air, and your spirit lifted by the magic of the Sunnyside Trail.

Adventure Guide: Biking the Sunnyside Trail

Overview

The Sunnyside Trail is a 10-mile singletrack loop (including access trails) on the slopes of Red Mountain near Aspen. Known for its challenging climbs and stunning views, it’s a favorite for intermediate and advanced riders.

Trail Details

• Distance: ~10 miles round trip (loop with access trails).
• Elevation Gain: ~1,500 feet.
• Difficulty: Intermediate to Advanced.
• Trail Type: Singletrack, with some rocky and technical sections.

Key Features

1. Challenging Climbs:

   • Steady uphill sections at the start reward with incredible views.
   • Technical switchbacks demand focus and stamina.

2. Ridgeline Views:

   • Unobstructed panoramas of Aspen, Snowmass, and the surrounding Elk Mountains.

3. Flowy Descent:

   • Swooping, fast sections with occasional rocky drops and tight turns.

What to Know Before You Go

• Best Season:
  • Late spring through early fall. Snow may linger into June, and fall offers stunning foliage.
• Access:
  • Start at the trailhead near Cemetery Lane. Alternate access from the Hunter Creek Valley offers a shorter but steeper ascent.
• Gear Recommendations:
  • Full-suspension mountain bike for tackling technical terrain.
  • Helmet, gloves, and padded shorts for comfort and safety.
  • Hydration pack and snacks for energy during the climb.

Tips for Riders

1. Start Early: Morning rides offer cooler temperatures and fewer trail users.
2. Know Your Limits: While the climbs are steady, the technical descent requires confidence and skill.
3. Stop for the Views: The ridgeline offers some of the best photo ops in the Aspen area—don’t rush past them.
4. Stay Right: Sunnyside is a multi-use trail. Be mindful of hikers and uphill traffic, especially on busy weekends.

Directions

From downtown Aspen, take CO-82 west to Cemetery Lane. Follow the road to the Sunnyside Trailhead parking area. Alternatively, start at the Hunter Creek Trailhead for a different approach to the trail.

Pro Tips

• Fall Glory: Ride in late September to experience Sunnyside’s golden aspen groves at their peak.
• Combine Trails: Connect with the Hunter Creek Trail for a longer ride with more technical challenges.
• Après-Bike: Reward yourself with a hearty meal at White House Tavern or a refreshing beer at Aspen Brewing Company.
• Bring Layers: The sunny side of the mountain warms up quickly, but weather can change fast in the Rockies.

Safety and Sustainability

• Trail Etiquette: Yield to uphill riders and hikers. Always announce yourself when passing.
• Respect Wildlife: This area is home to deer, elk, and other animals—observe from a distance.
• Stay on Trail: Protect the fragile alpine environment by sticking to marked paths.

Biking the Sunnyside Trail is more than a ride—it’s a journey through Aspen’s high country that challenges your legs, sharpens your skills, and leaves you breathless with its beauty. Whether you’re chasing the thrill of the descent or pausing to savor the views, Sunnyside is a must-ride for mountain biking enthusiasts.