Onyx Summit
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Onyx Summit
Onyx Summit is a mountain pass located in the San Bernardino Mountains in the southwestern part of San Bernardino County, California, United States. At an elevation of 8,443 ft. (2,573 m), it is the highest mountain pass in Southern California. California State Route 38 traverses it at postmile 39.37 in the eastern part of San Bernardino National Forest. See also * List of mountain passes in California References * http://www.waymarking.com/waymarks/WM28RN waymarking.com * http://www.dot.ca.gov/hq/tsip/tsidoc/summit.xls Caltrans The California Department of Transportation (Caltrans) is an Executive (government), executive department of the U.S. state of California. The department is part of the Government of California#State agencies, cabinet-level California State Tran ... Mountain passes of California Landforms of San Bernardino County, California {{SanBernardinoCountyCA-geo-stub ...
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San Bernardino County, California
San Bernardino County (), officially the County of San Bernardino, is a County (United States), county located in the Southern California, southern portion of the U.S. state of California, and is located within the Inland Empire area. As of the 2020 United States Census, 2020 U.S. Census, the population was 2,181,654, making it the fifth-most populous county in California and the List of the most populous counties in the United States, 14th-most populous in the United States. The county seat is San Bernardino, California, San Bernardino. While included within the Greater Los Angeles area, San Bernardino County is included in the Riverside, California, Riverside–San Bernardino, California, San Bernardino–Ontario, California, Ontario metropolitan statistical area, as well as the Los Angeles–Long Beach, California, Long Beach Greater Los Angeles Area, combined statistical area. With an area of , San Bernardino County is the List of the largest counties in the United States by ...
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San Bernardino Mountains
The San Bernardino Mountains are a high and rugged mountain range in Southern California in the United States. Situated north and northeast of San Bernardino and spanning two California counties, the range tops out at at San Gorgonio Mountain – the tallest peak in all of Southern California. The San Bernardinos form a significant region of wilderness and are popular for hiking and skiing. The mountains were formed about eleven million years ago by tectonic activity along the San Andreas Fault, and are still actively rising. Many local rivers originate in the range, which receives significantly more precipitation than the surrounding desert. The range's unique and varying environment allows it to maintain some of the greatest biodiversity in the state. For over 10,000 years, the San Bernardinos and their surroundings have been inhabited by indigenous peoples, who used the mountains as a summer hunting ground. Spanish explorers first encountered the San Bernardinos in the late ...
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Mountain Pass
A mountain pass is a navigable route through a mountain range or over a ridge. Since many of the world's mountain ranges have presented formidable barriers to travel, passes have played a key role in trade, war, and both Human migration, human and animal migration throughout history. At lower elevations it may be called a hill pass. A mountain pass is typically formed between two volcanic peaks or created by erosion from water or wind. Overview Mountain passes make use of a gap (landform), gap, saddle (landform), saddle, col or notch (landform), notch. A topographic saddle is analogous to the mathematical concept of a saddle surface, with a saddle point marking the highest point between two valleys and the lowest point along a ridge. On a topographic map, passes are characterized by contour lines with an hourglass shape, which indicates a low spot between two higher points. In the high mountains, a difference of between the summit and the mountain is defined as a mountain pas ...
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Southern California
Southern California (commonly shortened to SoCal) is a geographic and Cultural area, cultural region that generally comprises the southern portion of the U.S. state of California. It includes the Los Angeles metropolitan area, the second most populous urban agglomeration in the United States. The region generally contains ten of California's 58 counties: Imperial County, California, Imperial, Kern County, California, Kern, Los Angeles County, California, Los Angeles, Orange County, California, Orange, Riverside County, California, Riverside, San Bernardino County, California, San Bernardino, San Diego County, California, San Diego, Santa Barbara County, California, Santa Barbara, San Luis Obispo County, California, San Luis Obispo and Ventura County, California, Ventura counties. The Colorado Desert and the Colorado River are located on Southern California's eastern border with Arizona, and San Bernardino County shares a border with Nevada to the northeast. Southern California's ...
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California State Route 38
State Route 38 (SR 38) is a mostly rural and scenic state highway in the U.S. state of California, connecting Interstate 10 in Redlands with State Route 18 in the Big Bear Lake area. It is one of the primary routes into the San Bernardino Mountains. Despite the orientation of its alignment, SR 38 is assigned in a west–east direction. Route description SR 38 begins at its west junction with State Route 18 adjacent to the westernmost point of Big Bear Lake near the City of Big Bear Lake. Bordering the north shore of the lake, it traverses North Shore Drive as it passes Fawnskin and Minnelusa. After it passes Big Bear City Airport, it reaches its northeast junction with State Route 18 at Greenway Drive in Big Bear City. Route 38 then turns south, sharing Greenway Drive with Route 18. Both route signs continue on Greenway Drive to its intersection with Big Bear Boulevard. At the intersection, Route 18 turns west and Route 38 turns east onto Big Bear Boulevard. Route 38 ...
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California Postmile
California uses a postmile highway location marker system on all of its state highways, including U.S. Routes and Interstate Highways. The postmile markers indicate the distance a route travels through individual counties, as opposed to milestones that indicate the distance traveled through a state. The postmile system is the only route reference system used by the California Department of Transportation (Caltrans). California was the last state in the country to adopt mile markers, and exit numbers were not implemented until 2002. The state started the Cal-NExUS program in 2002, which would create a uniform exit numbering system for freeways. Included was a pilot program for the placing of mile markers along rural freeways. Currently, three freeway segments are a part of the experimental program: the Route 14 Freeway, the Route 58 Freeway in Kern County, and State Route 180 in Fresno. Caltrans has not decided if the mile marker program will be expanded to all rural freeways. ...
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San Bernardino National Forest
The San Bernardino National Forest is a United States National Forest in Southern California encompassing of which are federal. The forest is made up of two main divisions, the eastern portion of the San Gabriel Mountains and the San Bernardino Mountains on the easternmost of the Transverse Ranges, and the San Jacinto Mountains, San Jacinto and Santa Rosa Mountains (California), Santa Rosa Mountains on the northernmost of the Peninsular Ranges. Elevations range from 2,000 to 11,499 feet (600 to 3505 m). The forest includes seven wilderness areas: San Gorgonio Wilderness, San Gorgonio, Cucamonga Wilderness, Cucamonga, San Jacinto Wilderness, San Jacinto, South Fork, Santa Rosa Wilderness, Santa Rosa, Cahuilla Mountain and Bighorn Mountain Wilderness, Bighorn Mountain. Forest headquarters are located in the city of San Bernardino, California, San Bernardino. There are district offices in Lytle Creek, California, Lytle Creek, Idyllwild, California, Idyllwild, and Fawns ...
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List Of Mountain Passes In California
The following is a list of mountain passes and gaps in California. California is geographically diverse with numerous roads and railways traversing within its borders. In the middle of the U.S. state lies the California Central Valley, bounded by the coastal mountain ranges in the west, the Sierra Nevada to the east, the Cascade Range in the north and the Tehachapi Mountains in the south. Although most of these passes are now traversed by state highways, some date prior to California's statehood in 1850 and are today registered as California Historical Landmarks. See also * List of mountain passes and hills in the Tour of California * List of Sierra Nevada road passes References {{Lists of mountain passes by U.S. state * Mountain passes Mountain passes A mountain pass is a navigable route through a mountain range or over a ridge. Since many of the world's mountain ranges have presented formidable barriers to travel, passes have played a key role in trade, war, a ...
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Caltrans
The California Department of Transportation (Caltrans) is an Executive (government), executive department of the U.S. state of California. The department is part of the Government of California#State agencies, cabinet-level California State Transportation Agency (CalSTA). Caltrans is headquartered in Sacramento, California, Sacramento. Caltrans manages the state's State highways in California, highway system, which includes the California Freeway and Expressway System, supports public transportation systems throughout the state and provides funding and oversight for three state-supported Amtrak intercity rail routes (''Capitol Corridor'', ''Pacific Surfliner'' and ''San Joaquins'') which are collectively branded as ''Amtrak California''. In 2015, Caltrans released a new mission statement: "Provide a safe, sustainable, integrated and efficient transportation system to enhance California’s economy and livability." History The earliest predecessor of Caltrans was the Bureau o ...
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Mountain Passes Of California
A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher than a hill, typically rising at least 300 metres (1,000 feet) above the surrounding land. A few mountains are isolated summits, but most occur in mountain ranges. Mountains are formed through tectonic forces, erosion, or volcanism, which act on time scales of up to tens of millions of years. Once mountain building ceases, mountains are slowly leveled through the action of weathering, through slumping and other forms of mass wasting, as well as through erosion by rivers and glaciers. High elevations on mountains produce colder climates than at sea level at similar latitude. These colder climates strongly affect the ecosystems of mountains: different elevations have different plants and animals. Because of the less hospitable terrain and ...
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