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Wilderness Profile


Just three miles off of Interstate 80, Castle Peak Potential Wilderness is among the most scenic areas in the Tahoe National Forest. Home to extraordinary old-growth red fir forests and the little Truckee River, Castle Peak provides clean drinking water to residents of Nevada County.

Duncan Canyon Potential Wilderness

Managing agency: Tahoe National Forest

Size: Approximately 10,464 acres.

Location: Eastern Placer County, north of French Meadows Reservoir.

Description:

  • Duncan Canyon contains numerous confirmed nesting sites of California spotted owl and northern goshawk.
  • Duncan Canyon is the site of two of the more recent wolverine sightings in the Sierra.
  • Duncan Canyon contains one of the two best ancient forest stands in the Tahoe National Forest.

Duncan Canyon contains one of the two largest, unfragmented groves of old-growth forest in the Tahoe National Forest. The canyon is one of the last remaining examples in the Sierra Nevada of untouched, old-growth mixed conifer forest. Nearly all other mid-Sierra forests in this 5,000 to 7,000-foot elevation range have been severely impacted over the last 150 years. The fact that this area remains in a pristine state is truly extraordinary.

Duncan Canyon also provides critical and increasingly scarce habitat for wildlife species that are rapidly declining in California. Pacific fisher, American marten, California spotted owl, northern goshawk, and Sierra Nevada red fox make their home in the Duncan Canyon potential wilderness.

In addition, the canyon contains habitat for the wolverine. There have been very few sightings of this animal in the state over the past 50 years. Two of those sightings have been in Duncan Canyon, one on Sunflower Hill and another on Red Star Ridge.

For additional information, please contact:
American River Wildlands
P.O. Box 3008
Auburn, CA 95604

Or:
California Wilderness Coalition
(510) 451-1450
info@calwild.org