San Gorgonio Wilderness
The San Gorgonio Wilderness is located in the eastern San Bernardino Mountains, in San Bernardino County and into northern Riverside County, Southern California. It begins north of San Gorgonio Pass, approximately west of Morongo Valley and northwest of Palm Springs, California. Geography. The wilderness is part of the eastern slope of the San Bernardino Mountains, with topography rapidly changing from low, rolling foothills and canyons to steep, rugged mountains. These mountains include Mount San Gorgonio and several other peaks over . Elevations range from . Because of this elevation gradient, the wilderness reflects a transition between desert, coastal and  mountain environments, including the different types of vegetation representative of each elevation. The United States Congress designated the San Gorgonio Wilderness in 1964. By 1984, it expanded to . In 1994, it was further expanded with additional BLM lands and it now has a total of . Sand to Snow National Monument. The San Gorgonio Wilderness is now within the Sand to Snow National Monument, established by President Obama in February 2016. It is managed jointly by the San Bernardino National Forest and the Bureau of Land Management.