Sheep Mountain Wilderness

Sheep Mountain Wilderness is a federally protected area in the San Gabriel Mountains within both Los Angeles County and San Bernardino County. The wilderness area is part of the San Gabriel National Monument, encompasses 44,000 acres, and is managed by the Angeles National Forest. 

The area is characterized by its rugged mountainous terrain with elevations ranging from 2,400 feet. to over 10,000 feet. The area is home to a variety of plants and animals 

RECREATION

Sheep Mountain Wilderness provides a variety of opportunities for recreation activities including trail running, hiking, backpacking, fishing, and camping.

HIGHLIGHTS

• Heaton Flat Trailhead - provides access to Iron Mountain and the East Fork of the San Gabriel River.

• Bridge to Nowhere via East Fork Trail.

• Big Horn Mine, abandoned mine.

PERMITS
A wilderness permit is required for entry via the East Fork Trailhead. Permits are free and available at  the following locations:

San Gabriel Mountains National Monument (Monday - Friday, 8:00 a.m. - 4:30 p.m.)
110 N. Wabash Ave.

Glendora, CA 91741
1-(626) 335-1251 

Los Angeles Gateway Ranger District (Monday - Friday, 8:00 a.m. - 4:30 p.m.)
12371 N. Little Tujunga Canyon Rd.
San Fernando, CA 91342
1-(818) 899-1900 

San Gabriel Gateway Center ( Mon-Thurs:10 a.m.- 3:00 p.m. and Friday - Sunday: 8:00 a.m.-4:30 p.m. )

1-(626) 969-1012

ADDITIONAL INFORMATION

USFS: https://www.fs.usda.gov/detail/angeles/specialplaces/?cid=stelprdb5194614#:~:text=In%201984%2C%20the%2044%2C000%2Dacre,area%20offers%20something%20for%20everyone.