Maroon Bells reflected in an alpine lake

Colorado · United States

Four Pass Loop / Maroon Bells

Four alpine passes, high-country weather, and one of Colorado’s iconic circuits.

The Maroon Bells high country at the heart of the Four Pass Loop.Last reviewed August 2026

Field orientation

Know the route. Read the terrain.

This celebrated circuit wraps around the Maroon Bells through the Elk Mountains, crossing four passes above 12,000 feet. Alpine lakes, wildflower basins, aspen forest, and long views arrive between demanding climbs. Most backpackers allow three to four days for the route.

BEFORE YOU GO

Overnight permits are required. Expect fast-changing alpine weather, high elevation, and busy trailheads.

Verify current conditions

Closures, permits, weather, water, access, and regulations can change. Use the official land-manager source before every trip.

Lesson from the terrain

Progress is not always linear.

Four high passes demand rhythm, recovery, and constant weather awareness. The crew succeeds by adapting the day while protecting the expedition’s intent.

Related field tool · Next Step PickExplore The Map vs. the Terrain ↗

Prepare beyond the route

Build the rest of the trip

Trip planning Trail skills Trail meals Leader toolkit