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On Oct. 10, 2014, President Barack Obama designated 346,177 acres of existing federal lands as the San Gabriel Mountains National Monument, the eighth national monument under Forest Service management. The national monument covers 342,177 acres of the Angeles National Forest and 4,002 acres of neighboring San Bernardino National Forest. The area is within 90 minutes of 15 million people in the Los Angeles Basin. The designation will help ensure these lands remain a benefit for all Americans through rock art that provides a glimpse into ancient civilizations, an observatory that brought the world the cosmos, and thousands of miles of streams, hiking trails and other outdoor recreation opportunities. Soaring high above the Los Angeles Basin, the San Gabriel Mountains also are working lands that provide Angeleños 70 percent of their available open space and 30 percent of their drinking water. The monument serves as the backyard to the nation’s second-largest urban center. Biodiversity The San Gabriel Mountains contains some of the greatest biodiversity in the country, including four wilderness areas – Magic Mountain, Pleasant View Ridge, San Gabriel, and Sheep Mountain – and unique geological features such as the San Andreas Fault. Other highlights are:
Scientific Discovery Science and research have been and continue to be an integral part of the monument area, most notably the Mount Wilson Observatory and the San Dimas Experimental Forest.
Human Dimension The monument holds evidence of more than 8,000 years of human history, including more than 600 archeological sites, three of which are on the National Register of Historic Places, as well as ruins of old cabins and the Mount Lowe Railway. Other highlights are:
Source: USFS Website (May 2023)
Brochures/Site Bulletins Documents 5 Years of Accomplishments, San Gabriel Mountains Monument Area (2014) Boundary Map: San Gabriel Mountains National Monument (April 2024) Fact Sheet, San Gabriel Mountains National Monument (October 2014) Frequently Asked Questions, San Gabriel Mountains National Monument (October 2014) Investments in San Gabriel Mountains National Monument (May 2024) Management Plan, San Gabriel Mountains National Monument (April 2018) Proclamation 9194Establishment of the San Gabriel Mountains National Monument (Barack Obama, October 10, 2014) Proclamation 10746Boundary Enlargement of the San Gabriel Mountains National Monument (Joseph R. Biden, Jr., May 2, 2024) Vicinity Map: San Gabriel Mountains National Monument (May 2024) Visitor Guide (2014) Books | |||||
san-gabriel-mountains/index.htm Last Updated: 16-May-2024 |