Cucamonga Potential Wilderness Additions
 Managing
agency: San Bernardino National Forest
Size: Approximately 12,884 acres
Location: San Bernardino County, near Alta Loma.
Description:
- Significant Nelson bighorn sheep winter habitat
- Species of Concern - California spotted owl, ash grey paintbrush
- Trout streams
- Some of the region's largest sugar pine trees
- Middle and South Fork Lytle Creek watershed
- Headwaters for Cucamonga, Day and Deer Canyons.
- Excellent backcountry recreation opportunities with trailheads from the south and east.
 The
proposed Cucamonga Wilderness additions are highly dissected with deep canyons,
steep slopes, cliffs and narrow ridges. Vegetation in the areas of the Middle
Fork of Lytle Creek and San Sevaine Ridge consists of mature stands of mixed
conifer with some black oak, scattered areas of scrub oak and chaparral, and
some isolated pockets of bigcone Douglas fir. Some of the largest sugar pine
in Southern California are found on San Sevaine Ridge. The south-facing slopes
through the area are primarily chaparral.
 The
area contains significant deep habitat and a large portion of the San Gabriel
bighorn sheep population. Cucamonga, Deer, and Day Canyons are the primary wintering
ranges for bighorn sheep. Most of the perennial streams support trout. California
spotted owls make use of the steep wooded canyons. San Sevaine has been identified
as a culturally sensitive area.
Access: From Hwy 15, exit Lytle Creek
Road and travel north. Trails include: Middle Fork Lytle Creek, South Fork Lytle
Creek, North Fork Lytle Creek, San Sevaine Flats, Big Horn Campground.
For additional information, please contact:
Joyce Burk
San Gorgonio Chapter, Sierra Club
P.O. Box 106
Barstow, CA 92312-0106
Phone: 760-256-9561
Email: joyceburk@earthlink.net
Or:
Tim Allyn
Sierra Club
3435 Wilshire Blvd. #302
Los Angeles, CA 90010-1901
Phone: (213) 387-6528 x202
Email: tim.allyn@sierraclub.org
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Just three miles off of Interstate 80, 
