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Simi Hills
The Simi Hills are a low rocky mountain range of the Transverse Ranges in eastern Ventura County and western Los Angeles County, of southern California, United States. Geography The Simi Hills are aligned east-west and run for , and average around north-south. The Simi Hills are part of the central Transverse Ranges System. They lie almost entirely within southeastern Ventura County, with some southern and eastern foothills within western Los Angeles County. The Simi Hills are on the western edge of the San Fernando Valley. The Simi Valley lies to the north, and the Conejo Valley lies to the southwest. The San Fernando Valley communities of Chatsworth, West Hills, and Woodland Hills are in the eastern hills and adjacent valley floor in Los Angeles city and county. The cities of Agoura Hills and Westlake Village are also located in Los Angeles County, generally southwest of the Simi Hills. The cities of Thousand Oaks (to the west) and Simi Valley city (to the north) a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Simi Peak
Simi Peak is the highest peak in the Simi Hills of Southern California, at . Geography Simi Peak is located in eastern Ventura County, California, near the cities of Simi Valley to the north, and Thousand Oaks to the west. Nearby peaks Chatsworth Peak is a peak that is also located in Simi Hills, on the far eastern edge. Escorpión Peak (Castle Peak) is closer in the hills, at 1,475 feet (450 m) and located in El Escorpión Park to the east. Parks; and recreation The peak is in the Cheeseboro and Palo Comado Canyons Open Space park, part of the NPS Santa Monica Mountains National Recreation Area system. Simi Peak is accessible by trail, with trailheads in the towns of Simi Valley, Thousand Oaks, and Agoura Hills, and by trails connecting from the Upper Las Virgenes Canyon Open Space Preserve The Upper Las Virgenes Canyon Open Space Preserve is a large open space nature preserve owned and operated by the Santa Monica Mountains Conservancy spanning nearly in the Simi Hills of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Westlake Village, California
Westlake Village is a city in Los Angeles County on its western border with Ventura County. The City of Westlake Village incorporated in 1981 becoming the 82nd municipality of Los Angeles County.Baker, Pam (2002). ''Thousand Oaks Westlake Village: A Contemporary Portrait''. Community Communications, Inc. Page 19. . The population of the city was 8,029 at the 2020 census, down from 8,270 at the 2010 census. The city is named after the master-planned community of Westlake that was later called Westlake Village to avoid confusion with the Los Angeles neighborhood of the same name. With a lake at the center, the community straddles the line between Los Angeles and Ventura counties. Roughly two-thirds of the community was previously annexed into the city of Thousand Oaks. History About 3,000 years ago, Chumash Indians moved into the region and lived by hunting rabbits and other game, and gathering grains and acorns. On-going excavations, archaeological sites, and polychrome r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Confluence
In geography, a confluence (also: ''conflux'') occurs where two or more flowing bodies of water join to form a single channel. A confluence can occur in several configurations: at the point where a tributary joins a larger river (main stem); or where two streams meet to become the source of a river of a new name (such as the confluence of the Monongahela and Allegheny rivers at Pittsburgh, forming the Ohio); or where two separated channels of a river (forming a river island) rejoin at the downstream end. Scientific study of confluences Confluences are studied in a variety of sciences. Hydrology studies the characteristic flow patterns of confluences and how they give rise to patterns of erosion, bars, and scour pools. The water flows and their consequences are often studied with mathematical models. Confluences are relevant to the distribution of living organisms (i.e., ecology) as well; "the general pattern ownstream of confluencesof increasing stream flow and decreasing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Los Angeles River
, name_etymology = , image = File:Los Angeles River from Fletcher Drive Bridge 2019.jpg , image_caption = L.A. River from Fletcher Drive Bridge , image_size = 300 , map = LARmap.jpg , map_size = 300 , map_caption = Map of the Los Angeles River watershed , pushpin_map = , pushpin_map_size = , pushpin_map_caption= , subdivision_type1 = Country , subdivision_name1 = United States , subdivision_type2 = State , subdivision_name2 = California , subdivision_type3 = , subdivision_name3 = , subdivision_type4 = , subdivision_name4 = , subdivision_type5 = Cities , subdivision_name5 = Burbank, Glendale, Los Angeles, Downey, Compton, Long Beach , length = U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed 2011-05-07 , width_min = , width_avg = , width_max = , depth_min ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arroyo Calabasas
Arroyo Calabasas (also known as Calabasas Creek) is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed March 16, 2011 tributary of the Los Angeles River, in the southwestern San Fernando Valley area of Los Angeles County in California. Route The stream begins with the merging of: Dry Canyon Creek from a Santa Monica Mountains watershed and McCoy Canyon Creek from a Simi Hills (Hidden Hills and Upper Las Virgenes Canyon Open Space Preserve) watershed, near the Leonis Adobe in the town of Calabasas. Arroyo Calabasas flows northeast through Woodland Hills and Canoga Park. In Canoga Park it joins Bell Creek, directly east of Canoga Park High School beside Vanowen Avenue. The confluence marks the ''"headwaters"'' of the Los Angeles River, . The flow of Arroyo Calabasas is entirely encased in a concrete flood control channel. Crossings From mouth to source (year built in parentheses): *Vanowen Street (1964) *W ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arroyo Simi
The Arroyo Simi ( Spanish for "Small Stream of Simi", sometimes also referred to as Simi Creek)Appleton, Bill (2009). ''Santa Susana''. Arcadia Publishing. Page 27. . is a westwards-running creek, located in California, United States, running from the city of Simi Valley and crosses the valley from east to west, before entering the city of Moorpark. It originates at Corriganville Park by the Santa Susana Pass, and streams westwards into Moorpark where it merges with Arroyo Las Posas by Hitch Road. It extends for through the Simi Valley, and leaves the city limits by Oak Park at the western end Simi Valley, and continues for seven miles in Moorpark. It is a tributary to the Calleguas Creek, which enters the Pacific Ocean by its estuary at Mugu Lagoon by Naval Air Station Point Mugu. Besides an arroyo, it has been described as a channel, waterway, river, drain, wash, and stream. Arroyo Simi drains an area of 343 square miles in southern Ventura County. In its natural st ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bell Creek (Southern California)
Bell Creek (also known as Escorpión Creek) is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed March 16, 2011 tributary of the Los Angeles River, in the Simi Hills of Ventura County and the San Fernando Valley of Los Angeles County and City, in Southern California. The confluence marks the ''"headwaters"'' of the Los Angeles River, .t) and Bell Creek (right) join to form the Los Angeles RiverThe initial headwater feeder-streams begin in the Simi Hills in Ventura County from 90% of the Rocketdyne Santa Susana Field Laboratory (SSFL) property as its watershed, leaving the site with toxic substances and radionuclide contamination via culvert outfalls, aquifer seeps and springs, and surface runoff. It then flows as a creek southeast through Bell Canyon (the community and geographic feature), Bell Canyon Park, and El Escorpión Park in a natural stream bed. It then is altered to flow in a concrete channel. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Malibu Creek
Malibu Creek is a year-round stream in western Los Angeles County, California. It drains the southern Conejo Valley and Simi Hills, flowing south through the Santa Monica Mountains, and enters Santa Monica Bay in Malibu, California. The Malibu Creek watershed drains and its tributary creeks reach as high as into Ventura County, California. The creek's mainstem begins south of Westlake Village at the confluence of Triunfo Creek and Lobo Canyon Creek, and flows U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed March 16, 2011 to Malibu Lagoon. Malibu Canyon is a chief pass through the mountains, and Malibu Canyon Road is a major north/south route connecting the coast to the inland valley. Malibu Creek starts at Malibou Lake, which is held back by the Malibu Lake Dam. Further downstream, the creek waterfalls over the Rindge Dam, then carves its final path into Malibu Lagoon. History The area around Malibu Creek was for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stream
A stream is a continuous body of surface water flowing within the bed and banks of a channel. Depending on its location or certain characteristics, a stream may be referred to by a variety of local or regional names. Long large streams are usually called rivers, while smaller, less voluminous and more intermittent streams are known as streamlets, brooks or creeks. The flow of a stream is controlled by three inputs – surface runoff (from precipitation or meltwater), daylighted subterranean water, and surfaced groundwater ( spring water). The surface and subterranean water are highly variable between periods of rainfall. Groundwater, on the other hand, has a relatively constant input and is controlled more by long-term patterns of precipitation. The stream encompasses surface, subsurface and groundwater fluxes that respond to geological, geomorphological, hydrological and biotic controls. Streams are important as conduits in the water cycle, instruments in groundw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drainage Basin
A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the '' drainage divide'', made up of a succession of elevated features, such as ridges and hills. A basin may consist of smaller basins that merge at river confluences, forming a hierarchical pattern. Other terms for a drainage basin are catchment area, catchment basin, drainage area, river basin, water basin, and impluvium. In North America, they are commonly called a watershed, though in other English-speaking places, "watershed" is used only in its original sense, that of a drainage divide. In a closed drainage basin, or endorheic basin, the water converges to a single point inside the basin, known as a sink, which may be a permanent lake, a dry lake, or a point where surface water is lost underground. Drainage basins are simi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Santa Monica Mountains
The Santa Monica Mountains is a coastal mountain range in Southern California, next to the Pacific Ocean. It is part of the Transverse Ranges. Because of its proximity to densely populated regions, it is one of the most visited natural areas in California. The Santa Monica Mountains National Recreation Area encompasses this mountain range. Geography The range extends approximately east-west from the Hollywood Hills in Los Angeles to Point Mugu in Ventura County. The western mountains, separating the Conejo Valley from Malibu, suddenly end at Mugu Peak as the rugged, nearly impassible shoreline gives way to tidal lagoons and coastal sand dunes of the alluvial Oxnard Plain. The mountain range contributed to the isolation of this vast coastal plain before regular transportation routes reached western Ventura County. The eastern mountains form a barrier between the San Fernando Valley and the Los Angeles Basin, separating "the Valley" on the north and west-central Los Angeles ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Santa Susana Pass
The Santa Susana Pass, originally Simi Pass, is a low mountain pass in the Simi Hills of Southern California, connecting the San Fernando Valley and Los Angeles neighborhood of Chatsworth, to the city of Simi Valley and eponymous valley. It has been featured in numerous movies, including ''Shooting High'' (1940), ''Man's Genesis'' (1912), ''Judith of Bethulia'' (1914), ''Jack and the Beanstalk'' (1917) and '' Range Warfare'' (1935). Natural history The pass is the division between the Simi Hills to the south and Santa Susana Mountains to the north, and forms the most critical wildlife corridor and habitat linkage between them. The scenery is made up of sandstone formations in massive outcroppings and numerous boulders, with California chaparral and woodlands ecoregion, with oak savannahs, chaparral shrub forest, and native bunchgrass plant communities in between. The perennial water sources provide diverse habitat for birds, mammals, and reptiles. History Native American T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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