Mount San Antonio

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Mount San Antonio

Postcard image of Mount Baldy circa 1910
Elevation 10,064 feet (3,068 metres)
Location California, USA
Range San Gabriel Mountains
Prominence 6,224 ft
Coordinates 34°17′20″N, 117°38′45″W
Topo map USGS Mount San Antonio
For General George G. Meade's American Civil War horse, see Old Baldy (horse).

Mount San Antonio, better known to most in Los Angeles as Old Baldy or Mount Baldy, is the highest peak in the San Gabriel Mountains of Southern California, USA and the highest point in Los Angeles County. Mount Baldy's snow-capped peaks are usually visible on clear days and dominate the view of the Los Angeles skyline.

The peak, which marks a boundary between San Bernardino County and Los Angeles County [1] is called Baldy because of the absence of trees around the summit.

The peak may host more hikers than any other mountaintop in the western United States (of those inaccessible by car), or so guesses San Gabriel Mountains historian John W. Robinson. Mount San Antonio also has two summits. The eastern summit is higher at 10,064 feet while the west is at 9,984 feet.

The Tongva tribe call the mountain Yoát or Joat, which means snow. It is considered to be a cosmic spiritual "recharging" site by the Aetherius Society.[2]

Mount Baldy, along with the nearby peak known as Thunder Mountain, is currently home to the family owned and operated ski resort Mount Baldy Ski Lifts, the closest resort to Los Angeles. Nearby lies Mt. Baldy Village, a small seasonal community with its own one-school school district; Mt. Baldy School (the abbreviation is the standard usage) has about 88 students.[1]

Between 1922 and 1927, American physicist Albert Michelson performed a number of experiments involving bouncing a beam of light onto a reflector at Lookout Mountain, a prominent bump on the south ridge of the mountain 3km SW of the peak, from the observatory at Mount Wilson some 22 miles distant. The exact distance was very accurately surveyed and using the measurements the speed of light was calculated to be 299,796±4 km/s.

Mt. San Antonio, Ontario Peak, and Cucamonga Peak as seen from Montclair, California at Arrow Highway, about 500 feet east of Mills Avenue (the county line between Los Angeles and San Bernardino Counties)
Mt. San Antonio, Ontario Peak, and Cucamonga Peak as seen from Montclair, California at Arrow Highway, about 500 feet east of Mills Avenue (the county line between Los Angeles and San Bernardino Counties)
The peak from the southeast, showing "Baldy Bowl" just below the summit. West Baldy is on the left and Mount Harwood is on the right. The lowest point visible in this photograph is about 5,000'.
The peak from the southeast, showing "Baldy Bowl" just below the summit. West Baldy is on the left and Mount Harwood is on the right. The lowest point visible in this photograph is about 5,000'.

[edit] Reference

  1. ^ Mt. Baldy School official site

[edit] External links

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