Trail Overview

Maroon Bells Four Pass Loop — Aspen, Colorado is a 26.0 miles-mile loop trail in Aspen, CO, Colorado, gaining 7800 ft feet on a Dirt, rock, tundra surface as a loop returning to the trailhead via a different path. Typical completion time: 3–4 days.

Trail at a Glance

  • Distance: 26.0 miles miles · Loop
  • Elevation Gain: 7800 ft feet
  • Difficulty: Expert
  • Surface: Dirt, rock, tundra
  • Season: July–September
  • Time: 3–4 days
  • Fee: $10 shuttle/car
  • Dogs: Yes (leash)
  • Permit: None

What to Expect

The trail begins in Aspen, CO and showcases the natural character of Colorado. The Dirt, rock, tundra surface is manageable for most hikers, and the route is clearly marked throughout. At Expert difficulty, this trail rewards the effort with scenery and experiences that define outdoor recreation in Colorado.

The 7800 ft-foot elevation change shapes the experience. The ascent builds steadily before the turnaround or loop completion returns you to the trailhead. Stay alert for wildlife and changing weather conditions common to Colorado trails.

Planning Your Visit

Fee: $10 shuttle/car. Dogs not permitted. Permit required: None. Arrive early on weekends to secure parking. Bring at least 2 liters of water per person and energy-dense snacks. Layered clothing is essential for mountain and high-elevation environments.

What to Pack

  • Water: 2+ liters per person
  • Navigation: Download the GPX file before heading out
  • Sun protection: Sunscreen, hat, sunglasses
  • Layers: Wind layer and warm mid-layer
  • First aid: Basic kit with blister care

Getting There

The trailhead for Maroon Bells Four Pass Loop — Aspen, Colorado is located in Aspen, CO, Colorado. Confirm current conditions with the managing agency before your visit. Download the GPX file for navigation.

Leave No Trace

Stay on the designated trail, pack out all waste including food scraps and pet waste, keep dogs leashed, and respect wildlife by maintaining distance. Your care preserves these trails for future visitors.

Download the GPX File

Free GPX download available on this page. Load it into Garmin, Gaia GPS, AllTrails, or any compatible navigation app before leaving cell service.