Altadena is an unincorporated area and census-designated place in the Verdugo Mountains region of Los Angeles County, California, approximately 14 miles (23 km) from downtown Los Angeles, and directly north of the city of Pasadena, California. The population was 42,777 at the 2010 census, up from 42,610 at the 2000 census.
The San Gabriel Mountains comprise a mountain range located in northern Los Angeles County and western San Bernardino County, California, United States. The mountain range is part of the Transverse Ranges and lies between the Los Angeles Basin and the Mojave Desert, with Interstate 5 to the west and Interstate 15 to the east. The range lies in, and is surrounded by, the Angeles and San Bernardino National Forests, with the San Andreas Fault as its northern border.
The Angeles National Forest (ANF) of the U.S. Forest Service is located in the San Gabriel Mountains and Sierra Pelona Mountains, primarily within Los Angeles County in southern California. The ANF manages a majority of the San Gabriel Mountains National Monument.
Mount San Antonio, commonly referred to as Mount Baldy or Old Baldy, is a 10,064 ft (3,068 m) summit in the San Gabriel Mountains on the border of Los Angeles and San Bernardino counties of California. Lying within the San Gabriel Mountains National Monument and Angeles National Forest, it is the high point of the range, the County of Los Angeles, and the Los Angeles metropolitan area.
Mount Wilson is a peak in the San Gabriel Mountains, located within the San Gabriel Mountains National Monument and Angeles National Forest in Los Angeles County, California. With only minor topographical prominence the peak is not naturally noticeable from a distance, although it is easily identifiable due to the large number of antennas near its summit. It is a subsidiary peak of nearby San Gabriel Peak.
The Mount Lowe Railway was the third in a series of scenic mountain railroads in the United States created as a tourist attraction on Echo Mountain and Mount Lowe, north of Los Angeles, California. The railway, originally incorporated by Thaddeus S. C. Lowe as the Pasadena and Mt. Wilson Railroad Co., existed from 1893 until its official abandonment in 1938, and was the only scenic mountain, electric traction railroad ever built in the United States. Lowe's partner and engineer was David J. Macpherson, a civil engineer graduate of Cornell University. The Mount Lowe Railway was a fulfillment of 19th century Pasadenans' desire to have a scenic mountain railroad to the crest of the San Gabriel Mountains.
Lake Avenue is a major north–south feeder road for the Pasadena and Altadena communities in Los Angeles County, California. The road was developed in the mid 19th century and takes its name from a lake which was located at its southernmost end known variously as Mission Lake, Kewen Lake, and Wilson Lake reflecting different owners of the land. The lake bed still exists as a municipal park in the City of San Marino just south of the Raymond Dike, but it holds no water. It has been surrounded by residences who are served by a crisscross set of roads that dip into the edges of impression and back out the other side. Lake Avenue is approximately 5.06 miles (8.14 km) in length.
Echo Mountain is a mountain promontory of the San Gabriel Mountains, in the Angeles National Forest above Altadena, in Los Angeles County, California.
Mount Lowe is a mountain on the southern fold of the San Gabriel Mountains. Originally named Oak Mountain, it was renamed for Professor Thaddeus S.C. Lowe, who is credited for being the first person to set foot on and plant the American flag at its peak, and who built the Mount Lowe Railway to its foot in 1896. The record of the naming was made official by Andrew McNally, the famous Chicago map printer and summertime resident of Altadena, who promised to print "Mount Lowe" on all his maps. Mt. Lowe was established as an alternate route for the Mount Lowe Railway when attempts to procure rights of way to the more prominent Mount Wilson had failed.
Located in Los Angeles County, California's San Gabriel Valley, the Boy Scouts of America's San Gabriel Valley Council (#40) was one of five councils serving Los Angeles County. It was headquartered in Pasadena.
The Verdugo Mountains, also known as the Verdugo Hills or simply The Verdugos, are a small, rugged mountain range of the Transverse Ranges system in Los Angeles County, California. Located just south of the western San Gabriel Mountains, the Verdugo Mountains region incorporates the cities of Burbank, Glendale, Pasadena, and La Cañada Flintridge; the unincorporated communities of Altadena and La Crescenta-Montrose; as well as the City of Los Angeles neighborhood of Sunland-Tujunga.
Fair Oaks Avenue in Pasadena, California, is a major north–south road connecting the communities of Altadena, Pasadena, and South Pasadena, running 7.9 miles (12.7 km) in length. It starts at its southernmost end in South Pasadena at Huntington Drive. It travels due north to a terminus above Loma Alta Avenue in Altadena and the gates of Angelus County Park. Beyond this, the road becomes a private easement.
The Silver Moccasin Trail is a 53-mile (85 km) trail located in the San Gabriel Mountains, northeast of Los Angeles. It begins at Chantry Flat Recreation Area above the city of Arcadia, California, traversing upward and down through several canyons and along the high ridges of the Angeles National Forest. This trail connects Mt. Baden-Powell, Mount Burnham, Throop Peak and Mount Hawkins. It comes to its highest point of 9,399 feet (2,865 m) at Mount Baden-Powell after which point it descends to its terminus at Vincent Gap on the Angeles Crest Highway near Wrightwood.
The Mount Wilson Toll Road (1891–1936) is a historic roadway which ascended Mount Wilson via a vehicular passable road from the base of the foothills in Altadena. It was accessible from Pasadena via Santa Anita Avenue which drove right to the front porch of the toll house. The road is still accessible to non-motorized traffic by way of Eaton Canyon. Segments of it have been closed at various times due to landslides. A 2005 landslide destroyed 50 yards of the road, but it has since been rebuilt and reopened.
The San Gabriel Wilderness is a wilderness area created in 1968 of more than 36,118 acres (150 km2) within the Angeles National Forest and San Gabriel Mountains National Monument.
Henninger Flats is a small hanging basin 2,600 feet (792.5 m) above sea level in the San Gabriel Mountains in the Angeles National Forest. It was part of the Mount Wilson Toll Road. The trailhead to reach the flats is at the top end of Eaton Canyon in Pasadena, California.
Eaton Canyon is a major canyon beginning at the Eaton Saddle near Mount Markham and San Gabriel Peak in the San Gabriel Mountains in the Angeles National Forest, United States. Its drainage flows into the Rio Hondo river and then into the Los Angeles River. It is named after Judge Benjamin S. Eaton, who lived in the Fair Oaks Ranch House in 1865 not far from Eaton Creek.
The Sierra Madre Dam is a dam on Little Santa Anita Creek, at the mouth of Little Santa Anita Canyon, in Los Angeles County, California. It is in the San Gabriel Mountains, south of the Angeles National Forest, on the northern border of Sierra Madre.
Little Santa Anita Canyon is a canyon in the southern San Gabriel Mountains and Angeles National Forest, within Los Angeles County, southern California,
The San Gabriel Mountains Trailbuilders (SGMTBs) is a 501(c)(3) non-profit volunteer organization which performs hiking and nature trail building and maintenance within the Los Angeles Gateway District of the United States Forest Service which maintains the Angeles National Forest within the San Gabriel Mountains.
