Quick and Easy Facts About Santa Monica

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Santa Monica Mountains
Range
Malibu Canyon in the Santa Monica Mountains
Country	United States
State	California
Counties	Los Angeles, Ventura
Part of	Transverse Ranges
Borders on	Santa Susana Mountains, Simi Hills, Verdugo Mountains
Coordinates	Template-specific style sheet: 34°7′13.023″N 118°55′54.348″W  /  34.12028417°N 118.93176333°W  / 34.12028417; -118.93176333
Highest point	Sandstone Peak
- elevation	3,111 ft (948 m)

The Santa Monica Mountains are a group of mountains in southern California in the United States.^[1]

Geography

The range extends about 40 mi (64 km) east–west from the Hollywood Hills in Los Angeles to Point Mugu in Ventura County. The mountains form a line between the San Fernando Valley and the Los Angeles Basin, separating "the Valley" on the north and west-central Los Angeles on the south. The Santa Monica Mountains are parallel to Santa Susana Mountains, on the north side the San Fernando Valley. Beginning at the eastern end of the San Fernando Valley, the mountains are bordered to the north by the Los Angeles River. The river flows south after Elysian Park, defining the easternmost edge of the mountains. Mt. Washington, on the other side of the river, has almost the same native plants and weather.

Geology

Scientists who study rocks say that the northern Channel Islands are a westward extension of the Santa Monicas into the Pacific Ocean. The range was created by the Raymond Fault which made the rocks push up and sink down over time. This has made old volcano rock come to the surface. Malibu Creek cuts the mountain range in two.

Weather

The Santa Monica Mountains have dry, warm to humid summers and wet, mild to cool winters. In the summer, the weather is quite dry, which makes the range prone to wildfires. Snow is unusual in the Santa Monica Mountains, since they are not as high as the nearby San Gabriel Mountains.

On January 17, 2007, an unusually cold storm brought snow in the Santa Monica Mountains. Malibu picked up three inches (eight centimeters) of snow – the first measurable snow in five decades (50 years). Snow was reported on Boney Peak, in the winter of 2005; and in March 2006, snow also fell on the summit of the mountain.

Archeology

The mountains have more than 1,000 places where people lived a long time ago, including many places where Tongva and Chumash people lived.

Development and parks

Cahuenga Pass, present-day site of U.S. Route 101, is the easiest pass through the range connecting the Los Angeles Basin to the San Fernando Valley. In the 1800s, two battles were fought there, and the Treaty of Cahuenga was signed nearby. In the heyday of Hollywood movie studios clustered on both sides of it. Sepulveda Pass is the main north–south pass to the west, connecting the Westside to Sherman Oaks via the San Diego Freeway (I-405). Farther west are Topanga Canyon Boulevard (SR 27), Malibu Canyon Road, and Kanan Dume Road. Mulholland Drive runs much of the length of the Santa Monica Mountains, from Cahuenga Pass to Woodland Hills while the Mulholland Highway runs from Woodland Hills to Sequit Point. The eastern end of the range, located in the City of Los Angeles, is more intensively developed than the western end of the range. The city of Malibu runs between the coast and the leading mountain ridge, from Topanga Canyon in the east to Leo Carrillo State Park in the west. The term Malibu Ozarks is sometimes used derogatorily (or ironically) for the unincorporated part of Malibu beyond the leading mountain ridge and lacking an ocean view; the term is often used synonymously with "818 Malibu" (referring to the less desirable San Fernando Valley telephone area code prefix).

Much of the mountains are located within the Santa Monica Mountains National Recreation Area. Preservation of lands within the region are managed in part by the Santa Monica Mountains Conservancy. Over twenty individual state and municipal parks are in the Santa Monica Mountains, including: Topanga State Park, Leo Carrillo State Park, Malibu Creek State Park, Point Mugu State Park, Will Rogers State Historic Park, Point Dume State Beach, Griffith Park, Marvin Braude Mulholland Gateway Park, Charmlee Wilderness Park, Runyon Canyon Park, and the Paramount Ranch.

Places along the north slope of the mountains include (from east to west):

• the Los Angeles communities of:
  • Studio City
  • Sherman Oaks
  • Encino
  • Tarzana
  • Woodland Hills
• Calabasas
• Agoura Hills
• Westlake Village
• Thousand Oaks
• Newbury Park
• Simi Valley

Places along the south slope of the mountains include (from east to west):

• the Los Angeles communities of:
  • Los Feliz
  • Hollywood Hills
  • Bel-Air
  • Benedict Canyon
  • Brentwood
  • Pacific Palisades
• Beverly Hills
• the unincorporated community of Topanga
• Malibu

Named peaks

Named peaks in the Santa Monica Mountains

Peak	Height		Notes
	US	SI
Sandstone Peak[2]	3111 ft	948 m	also known as Mount Allen, rising nearly a kilometer high
Tri-Peaks	3010 ft	917 m
Exchange Peak	2950 ft	899 m
Boney Peak[3]	2825 ft	861 m
Castro Peak[4]	2824 ft	861 m	highest peak in the eastern end of the range
Saddle Peak[5]	2805 ft	855 m
Calabasas Peak[6]	2165 ft	660 m
Temescal Peak	2126 ft	648 m
San Vicente Mountain[7]	1965 ft	599 m	former site of a Nike missile base, now a Cold War park
Clarks Peak[8]	1965 ft	599 m
Mesa Peak[9]	1844 ft	562 m
Cahuenga Peak[10]	1820 ft	555 m
Brents Mountain[11]	1713 ft	522 m
Mount Lee[12]	1640 ft	500 m	the Hollywood Sign is on the southern slope, at exactly half a kilometer high
Mount Hollywood[13]	1625 ft	495 m
Mount Chapel	1622 ft	494 m
Mount Bell	1587 ft	484 m
La Jolla Peak[14]	1567 ft	478 m
Laguna Peak[15]	1457 ft	444 m
Mugu Peak[16]	1266 ft	386 m	the westernmost peak in the range, rising directly from the beach

Los Angeles River

Further information: Los Angeles River

The southwestern headwaters of the Los Angeles River are in the Santa Monica Mountains. The Los Angeles River also forms the northern boundary of the mountains from the easternmost part of the San Fernando Valley to Elysian Park, where the river turns south, thereby defining the easternmost part of the mountain range.

Griffith Park

Further information: Griffith Park and Elysian Park

Griffith Park and finally Elysian Park are the eastern end of the Santa Monica Mountains. Griffith Park is separated from the rest of the Santa Monica Mountains to the west by the Cahuenga Pass, over which the 101 Freeway passes from the San Fernando Valley into Hollywood. Elysian Park is the easternmost part of the mountains and is bordered by the Los Angeles River to the east.

Wildlife

The Santa Monica Mountains are in the California chaparral and woodlands ecoregion and are covered by hundreds of local plant species, some of which are very rare, and others of which have become popular ornamentals. The range is host to an immense variety of wildlife, from mountain lions to the endangered steelhead. The mountain lion population within the Santa Monica Mountains (which includes the Simi Hills & Santa Susana Pass) is severely depleted with only seven known living adult individuals. The primary cause of the decline is due to a combination of traffic related mortality (three from the area were killed within a matter of months), anti-coagulants ingested from human-poisoned prey (two individuals within the Simi Hills) and attacks by other, more dominant mountain lions (an elder male, known as P1, killed both his son and his mate. This is thought to be due to a lack of space available.) Snakes are common but only occasionally seen – the Southern Pacific Rattlesnake (the only venomous species), Mountain Kingsnake, California Kingsnake, Gopher snake, and Garter snake.

• Simi Hills
• Santa Susana Mountains
• Verdugo Mountains
• San Gabriel Mountains

References

1. ↑ "Santa Monica Mountains". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:1655007.
2. ↑ "Sandstone Peak". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:249012.
3. ↑ "Boney Mountain". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:239555.
4. ↑ "Castro Peak". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:240350.
5. ↑ "Saddle Peak". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:256074.
6. ↑ "Calabasas Peak". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:256035.
7. ↑ "San Vicente Mountain". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:248973.
8. ↑ "Clarks Peak". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:240673.
9. ↑ "Mesa Peak". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:256066.
10. ↑ "Cahuenga Peak". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:239988.
11. ↑ "Brents Mountain". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:256033.
12. ↑ "Mount Lee". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:1660901.
13. ↑ "Mount Hollywood". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:243554.
14. ↑ "La Jolla Peak". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:255531.
15. ↑ "Laguna Peak". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:244511.
16. ↑ "Mugu Peak". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:246337.

Other websites

• Outdoor LA Hiking Trails – Hiking trails in the area with maps and directions to the trailheads
• Santa Monica Mountains National Recreation Area
• Santa Monica Mountains Conservancy
• Wildflowers of the Santa Monica Mountains
• SMMNRA Interactive Locator Map
• Santa Monica Mountains Institute

v t e Greater Los Angeles Area
Main city	Los Angeles
Counties	Los Angeles Orange Riverside San Bernardino Ventura
Satellite cities	Long Beach Riverside San Bernardino
Cities >200k	Anaheim Irvine Santa Ana
Cities and towns 100k–200k	Burbank Corona Costa Mesa Downey East Los Angeles El Monte Fontana Fullerton Garden Grove Glendale Huntington Beach Inglewood Lancaster Mission Viejo Moreno Valley Murrieta Norwalk Ontario Orange Oxnard Palmdale Pasadena Pomona Rancho Cucamonga Rialto Santa Clarita Simi Valley Temecula Thousand Oaks Torrance Ventura Victorville West Covina
Area regions	Antelope Valley Conejo Valley Downtown Los Angeles East Los Angeles Gateway Cities Greater Hollywood Harbor Area Inland Empire Los Angeles metropolitan area Palos Verdes Hills Pomona Valley San Bernardino Valley San Fernando Valley San Gabriel Valley Santa Ana Valley Santa Clarita Valley South Bay South Los Angeles Westside Los Angeles
Landforms	Los Angeles Basin Baldwin Hills (range) Calico Mountains Catalina Island Channel Islands Coachella Valley High Desert—Mojave Desert Low Desert—Colorado Desert San Fernando Valley San Bernardino Mountains San Gabriel Mountains Santa Ana Mountains Santa Monica Mountains Santa Susana Mountains Verdugo Mountains
Bodies of water	Los Angeles River Aliso Creek Arroyo Seco Ballona Creek Bell Creek Big Bear Lake Coyote Creek Lake Arrowhead Lake Perris Lake Piru Malibu Creek Mojave River Pyramid Lake Rio Hondo San Gabriel River San Juan Creek San Pedro Bay Santa Ana River Santa Clara River Santa Margarita River Santa Monica Bay Soda Lake

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Source: https://wiki.kidzsearch.com/wiki/Santa_Monica_Mountains