Four Pass Loop - Colorado
Location: Maroon - Snowmass Wilderness Area, Central Colorado
Nearest Town - Aspen
What is it? - It's a difficult loop trail near Aspen, Colorado and one of the most iconic backpacking destination in Colorado especially during Wildflower season. The whole trail passes thru " Four Passes" above 12,000 ft. thru alpine lakes and the popular Maroon Bells.
Four Pass Loop Distance - 28 Mile Loop
Clockwise: West Maroon Pass - Frigid Air Pass- Trail Rider Pass - Buckskin Pass (recommended if you want a gradual ascent with your heavy backpack and if you are doing more than 2 day trip)
Counterclockwise: Buckskin Pass - Trail Rider Pass - Frigid Air Pass - West Maroon Pass
Best Time to Go: Wildflower Season & Fall Leaf Season ( July - Early September)
Estimated Completion Time - 3-5 Days ( Most common 3 nights 4 days)
Elevation - 9,580 ft - 12,500 ft Elevation Gain - 7,750 ft
FOUR PASSES: West Maroon Pass, Frigid Air Pass, Trail Rider Pass, Buckskin Pass
Trailhead-West Maroon Pass(12,490 ft)
Distance: 6.5 miles (one-way) to West Maroon Pass
Elevation gain/loss: 2,920-ft.
West Maroon Pass (12,500-ft.) to Frigid Air (12,405-ft.)
Distance: 2.4 miles (one way)
Elevation gain/loss: +687-ft./-787-ft.
Frigid Air (12,405-ft.) to Trail Rider Pass (12,415-ft.)
Distance: 7.1 miles (one way)
Elevation gain/loss: +2,150-ft. / -2,130-ft.
Trail Rider Pass (12,415-ft.) to Snowmass Lake (10,980-ft.)
Distance: 2.2 miles (one way)
Elevation gain/loss: -1,440-ft.
Snowmass Lake (10,980-ft.) to Buckskin Pass (12,460-ft.)
Distance: 3.8 miles (one-way)
Elevation gain/loss: +1,692-ft./-210-ft.
Buckskin Pass to Trailhead
Distance: 4.6 miles (one-way) to Trailhead (9,580-ft.)
Elevation gain/loss: -2,882-ft.
Maroon Lake Trailhead - Most popular- requires a parking permit check it here
Crested Butte Trailhead - Does not require permit but adds a couple miles to the trip. (East Fork trailhead near Schofield Park)
LAKES TO STOP AND SEE IF YOU CAN:
Maroon Lake, Crater Lake, Geneva Lake(adds 2 miles to the trip), Snowmass Lake
Colorado 14ers in the area: Maroon Peaks, Snowmass Mountain, Pyramid Peak
Trip Report: Originally planned on 3 Nights and Four Days but finished in 2 Nights- 3 Days due to mosquitoes and black flies.