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SUPPORT CFIEvery donation counts!

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UPDATESWhat we've been doing

  • Making Progress on El Diente  – July 31, 2015

    Hi everyone! Good to be back on El Diente. This season we have opened the new trail we built last year and closing the old trail! … Read More >>

  • A Learning Experience  – July 27, 2015

    aBecca and I with our beautiful truck on Mt. Princeton Howdy Folks! My name is Robin Zeller and I am one of two Outdoor Leadership … Read More >>

  • A Day in the Life on Holy Cross  – July 22, 2015

    Up on Holy Cross our field work varies week to week, Our tasks bounce around from rock work and other trail maintenance to patrolling campsites.  Sometimes we hike to … Read More >>

  • The Work that Will Last a Century  – July 20, 2015

    For the past few years I have been doing trail work deep in the wildernesses of Idaho and Montana. The majority of my work has … Read More >>

Castle Peak

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  • Elevation:14,264 feet (14th highest)
  • Maps:USGS Quad: Mount Humboldt
    Trails Illustrated® – TOPO Map # 127
    Click here to purchase Trails Illustrated® maps for this route.
  • Contact:US Forest Service, Aspen Ranger District (970) 925-3445

Recommended Route

Montezuma Basin route—use of this route will help to reduce impacts to this Fourteener’s fragile alpine environment. For detailed route information including pictures, maps, and elevation profiles, click here.

Route Information and Additional Resources

From Aspen, go northwest on CO 82 to the junction with Ashcroft and Maroon Lake roads. Go left, then immediately take the left-hand fork to Castle Creek. Go 11.5 miles to Ashcroft and then 1.5 miles to a fork. The main road (left at the fork) becomes very rough. Most vehicles cannot make it up this road, and should be parked at the valley floor. Hike up into Montezuma Basin. Just south of Montezuma Mine, hike southwest toward Castle Peak. Stay on the clear trail all the way to the summit.

The above information does not replace the need to consult additional maps and Colorado Fourteener Guidebooks for more detailed route descriptions. We suggest checking multiple resources before departing on any hike. Keep in mind that not all guidebooks list this as a recommended route and that each guidebook’s description or route name may vary slightly.

Peak Specific Environmental and Safety Concerns

No camping is allowed in the Castle Creek Valley. Camping is allowed on the dirt road to Montezuma Basin in one of the six designated sites. There are many social trails that have been created on this peak’s upper slopes. Take care to stay on the main trail.