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Devils Postpile National Monument

The Devils Postpile National Monument
IUCN category V (protected landscape/seascape)
Devils Postpile National Monument near Mammoth Lakes.jpg
Basalt columns of Devil's Postpile
Map showing the location of The Devils Postpile National Monument
Map showing the location of The Devils Postpile National Monument
Map showing the location of The Devils Postpile National Monument
Map showing the location of The Devils Postpile National Monument
Location Madera County, California, United States
Nearest city Mammoth Lakes, CA
Coordinates 37°37′28″N 119°5′4″W / 37.62444°N 119.08444°W / 37.62444; -119.08444Coordinates: 37°37′28″N 119°5′4″W / 37.62444°N 119.08444°W / 37.62444; -119.08444
Area 798 acres (323 ha)
Created July 6, 1911 (1911-July-06)
Visitors 91,794 (in 2013)
Governing body National Park Service
Website Devils Postpile National Monument

Devils Postpile National Monument is located near Mammoth Mountain in eastern California. The national monument protects Devil's Postpile, an unusual rock formation of columnar basalt. Devils Postpile National Monument encompasses 798 acres (323 ha) and includes two main tourist attractions: the Devil's Postpile formation and Rainbow Falls, a waterfall on the Middle Fork of the San Joaquin River. In addition, the John Muir Trail and Pacific Crest Trail merge into one trail as they pass through the monument. Excluding a small developed area containing the monument headquarters, visitor center and a campground; the National Monument lies within the borders of the Ansel Adams Wilderness.

It was created in 1911 as Devil Postpile National Monument, and has forever been widely referred to as Devil's Postpile National Monument; but it has been officially styled as plural without the apostrophe since the 1930s. The monument was once part of Yosemite National Park, but discovery of gold in 1905 near Mammoth Lakes prompted a boundary change that left the Postpile on adjacent public land. Later, a proposal to build a hydroelectric dam called for blasting the Postpile into the river. Influential Californians, including John Muir, persuaded the federal government to stop the demolition and, in 1911, President William Howard Taft protected the area as a National Monument.

The flora and fauna at Devils Postpile are typical of the Sierra Nevada. The monument contains animals and plants such as black bears, pine martens, mule deer, coyotes,quaking aspen, black cottonwood, alder, and willows, as well as many wildflowers, such as cinquefoil and alpine shooting star.Dark-eyed juncos and white-crowned sparrows are common in the summer.


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