Mallory Cave

Boulder, Colorado 80304

Elevation Gain925ft
Trailhead Elevation6,620ft
Elevation Min/Max6192/6938ft
Elevation Start/End6620/6622ft

Mallory Cave

Mallory Cave is a hiking trail in Boulder, Colorado. It is 0.8 miles long and begins at 6,620 feet altitude. Traveling the entire trail is 1.6 miles with a total elevation gain of 925 feet. Near the end of the trail is an information guidepost. This trail connects with the following: N.C.A.R. Trail, Touch Monkey, Mesa Trail, Der Zerkel, Dinosaur Rock and Red Devil.

Mallory Cave Professional Guides

Detailed Trail Descriptions from Our Guidebooks

Hiking through History Colorado (Falcon Guides)
Robert Hurst
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"This is a short but sharp little climb that takes you to an unusual location among the Flatirons. Start at the National Center for Atmospheric Research (NCAR) campus and end at the bats’ own Mallory Cave, about 700 feet above. This is a fun, quick, but vertical hike that puts you right in there amongst the Flatirons. The start/finish and the destination are both a kick in the pants. The hike starts at the National Center for Atmospheric Research, on a pretty mesa top above South Boulder. Nature is the real architect here in South Boulder. The Flatirons, massive chunks of Fountain sandstone that have been torn out of the earth by the uplift of the Rocky Mountains, dominate the scenery. The 300-million-year-old layer of red rock was formed by the complete erosion of a previous mountain range, the so-called Ancestral Rockies." Read more

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Trail Information

Nearby City
Skill Level
City of Boulder Open Space and Mountain Parks, 66 S. Cherryvale Rd., Boulder, CO 80303; (303) 441-3440;
Local Contacts
NCAR Trailhead map, City of Boulder Open Space and Mountain Parks
Local Maps

Activity Feed

Dec 2018