United States
34.3700°, -117.7300°
2014
1400
San Gabriel Mountains National Monument protects a diverse mountain ecosystem just north of the Los Angeles metropolitan area, providing critical habitat and recreational opportunities for millions of residents. Managed by the U.S. Forest Service (USFS), the monument encompasses rugged peaks, deep canyons, and diverse plant communities ranging from chaparral to coniferous forests. The area serves as an important watershed for Southern California and offers extensive hiking, camping, and outdoor recreation opportunities. The monument preserves significant cultural sites including Native American village locations and historic mining areas.