Site Details

descriptions and directions

Cottonwood Marsh photo by Peter Burke

Guanella Pass - Clear Creek County
Ownership: None Listed
Description: Until recently, Guanella Pass was famous for being unquestionably the easiest place in the Lower 48 to find White-tailed Ptarmigan in its white winter finery. Alas, no more; the county has quit plowing the road, so Guanella is strictly a summer destination now. Ptarmigan can be found at Guanella in summer, but not in large concentrations, and only well above the pass. If you do manage to find rosy-finches at Guanella, it will probably be far up one of the trails.

The Guanella Pass Campground is a traditional spot for Three-toed Woodpecker. Other species to look for include Gray Jay, Dusky Grouse, Pine Grosbeak, Red Crossbill, and potentially Boreal Owl and White-winged Crossbill.

Habitat: Spruce-Fir Forest, Stream, Streamside Willow, Alpine Tundra
Directions: The Guanella Pass road (FR 381) climbs out of the south end of Georgetown. The campground is along the road one mile short of the pass. Ask about road conditions at the Georgetown Gateway Visitor Center at I-70 exit 228 (phone: 303-569-2405).
Other Wildlife:
Other Attractions:

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Latest Guanella Pass Sightings from eBird


CBRC Records from Guanella Pass

SpeciesAccession No.Date(s)
Brown Thrasher2015-117 10/08/2015