Castle Peak and Conundrum Peak TH

This is a 13 mile out-and-back trail with an elevation gain of 5,065 ft near Aspen, CO. This is a highly challenging route and should only be attempted by highly skilled individuals.

Castle Peak and Conundrum Peak are in Maroon Bells-Snowmass Wilderness. Please read the restrictions associated with this area

Directions:

  • Start at the parking lot: Hike up into the basin, crossing snow fields.
  • Traverse the basin: Stick to the left side of the basin and traverse uphill along the snow.
  • Locate the trail: As you enter the basin below Castle Peak’s summit, look left for a strong trail leading to Castle Peak's NE ridge.
  • Follow the ridge: Take this trail to the ridge and then follow the ridge all the way to the summit.
  • Avoid distractions: Several side trails may appear easier, but stay on the ridge for the best route to the top.

All trails map of the hike

  • Difficulty: Difficult
  • Length: 14.5 mi
  • Elevation Gain: 5,065 ft
  • 14,253 ft
  • Land Manager: U.S. Forest Service
    Maroon Bells-Snowmass Wilderness Area, Aspen Ranger District (WRNF)
  • Parking Permit Required: USFS Permits & Passes
  • Recommended Party Size: 10
  • Maximum Party Size: 10
  • Maximum Route/Place Capacity: 10
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