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Tri-Valley
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{{more citations needed|date=September 2016}} {{Infobox settlement | name = Tri-Valley | native_name = | native_name_lang = <!-- ISO 639-2 code e.g. "fr" for French. If more than one, use {{lang}} instead --> | settlement_type = Area of the [[East Bay (California)|East Bay]] | image_skyline = File:Tri-Valley_Landscape.jpg | image_alt = Tri-Valley Landscape | image_caption = Tri-Valley Landscape | etymology = | image_map = File:East Bay California Incorporated and Unincorporated areas Tri-valley Highlighted.svg | map_alt = Tri-Valley location in CA | map_caption = Tri-Valley location in California | pushpin_map = USA | pushpin_label_position = | pushpin_map_alt = | pushpin_map_caption = Location in the United States | coordinates = {{coord|37|39|45|N|121|52|29|W|region:US-CA|display=inline,title}} | coor_pinpoint = | coordinates_footnotes = | subdivision_type = Country | unit_pref = Metric <!-- ALL fields with measurements have automatic unit conversion --> <!-- for references: use <ref> tags -->| area_footnotes = | area_urban_footnotes = <!-- <ref> </ref> --> | area_rural_footnotes = <!-- <ref> </ref> --> | area_metro_footnotes = <!-- <ref> </ref> --> | area_magnitude = <!-- <ref> </ref> --> | area_note = | area_water_percent = | area_rank = | area_blank1_title = | area_blank2_title = <!-- square kilometers --> | area_total_km2 = | area_land_km2 = | area_water_km2 = | area_urban_km2 = | area_rural_km2 = | area_metro_km2 = | area_blank1_km2 = | area_blank2_km2 = <!-- hectares --> | area_total_ha = | area_land_ha = | area_water_ha = | area_urban_ha = | area_rural_ha = | area_metro_ha = | area_blank1_ha = | area_blank2_ha = | length_km = | width_km = | dimensions_footnotes = | population_as_of = | population_footnotes = | population_total = 401,072 | population_density_km2 = auto | population_note = | population_demonym = | timezone1 = [[Pacific Time Zone]] | utc_offset1 = -8 | timezone1_DST = [[Pacific Daylight Time|PDT]] | utc_offset1_DST = -7 | area_code_type = | area_code = | iso_code = | footnotes = | official_name = }} The '''Tri-Valley''' area is grouping of three valleys in the [[East Bay (California)|East Bay]] region of [[California]]'s [[San Francisco Bay Area|Bay Area]]. The three valleys are [[Amador Valley]], [[Livermore Valley]], and [[San Ramon Valley]]. The Tri-Valley encompasses the cities of [[Dublin, California|Dublin]], [[Livermore, California|Livermore]], [[Pleasanton, California|Pleasanton]] and [[San Ramon, California|San Ramon]], the town of [[Danville, California|Danville]], and the [[Census-designated place|CDPs]] of [[Alamo, California|Alamo]], [[Blackhawk, California|Blackhawk]], [[Camino_Tassajara,_California|Camino Tassajara]], [[Diablo, California|Diablo]], and [[Norris Canyon, California|Norris Canyon]]. The area is known for its Mediterranean climate, wineries, and nature. It is primarily suburban in character. The total population of the Tri-Valley was 401,072 at the 2020 U.S. Census. It offers more affordable living accommodations than the cities of San Francisco and San Jose.<ref>{{cite web|url=https://www.cbsnews.com/pictures/10-most-expensive-cities-in-america|title=10 Most Expensive Cities in America|author=CBS|date=2017|publisher=[[CBS]]}}</ref><ref>{{cite web |url = https://www.cbsnews.com/pictures/10-most-expensive-cities-in-america |title = 10 Most Expensive Cities in America |author = CBS |date = 2017 |publisher = [[CBS]] }}</ref> == History == The [[Ohlone]] tribe settled the area circa 2000 BC, particularly in the northern part of Pleasanton. In AD 1772, however, Spanish settlers involved with the nearby mission work at Mission San Jose restructured the Ohlone way of life.<ref>{{Cite web |title=Chapter 9. Ohlone/Costanoans in the United States, 1847-1927 |url=https://www.nps.gov/goga/learn/historyculture/upload/Chapter-9.pdf |access-date=11 February 2023}}</ref><ref>{{Cite web|url=http://pleasanton.com/channel/History-of-Pleasanton/4821|title=History of Pleasanton|website=pleasanton.com|language=en|url-status=dead|archive-url=https://web.archive.org/web/20171108011655/http://pleasanton.com/channel/History-of-Pleasanton/4821|archive-date=November 8, 2017|access-date=2018-01-01}}</ref> The area began to be developed when the [[Gold rush|Gold Rush]] ended. During this period, the area went from being marshland to agricultural.<ref>{{Cite web|url=http://www.museumonmain.org/history-of-pleasanton.html|title=History of Pleasanton|website=Museum on Main|access-date=2018-01-01}}</ref> == Climate == The climate of the Tri-Valley is mild. Most rain falls in the winter. Snow almost never occurs, although it sometimes falls on the tops of surrounding mountains, especially [[Mount Diablo|Mt. Diablo]]. Summer days are in the 80s to over 100 °F, but nights are often cool. In winter, daytime temperatures reach the 50s and 60s, while nights are in the 30s and 40s, dipping on rare occasions into the 20s. Mean annual rainfall ranges from about {{cvt|14|in|mm}} in Livermore to {{cvt|23|in|mm}} in Alamo.<ref>{{Cite web|url=https://wrcc.dri.edu|title=Cooperative Climatological Data Summaries|website=Western Regional Climate Center|access-date=2018-11-24}}</ref> == Transportation == The Tri-Valley is serviced by [[WHEELS (California)|WHEELS]], operated by the Livermore Amador Valley Transit Authority (LAVTA), a bus agency that operates local bus service throughout Livermore, Pleasanton and Dublin, including service to [[Hacienda Business Park]], [[Lawrence Livermore National Laboratory]], [[Las Positas College]], [[Stoneridge Shopping Center|Stoneridge Mall]], the West Dublin/Pleasanton BART Station and the [[Dublin/Pleasanton (BART station)|Dublin/Pleasanton BART station]]. Two major highways, Interstates [[Interstate 580 (California)|580]] and [[Interstate 680 (California)|680]] cross the Tri-Valley area. Interstate 580 runs east-west, connecting the area to the Central Valley to the east and the [[North Bay (San Francisco Bay Area)|North Bay area]] to the west. Interstate 680 runs north-south, connecting the area to the [[Santa Clara Valley#San Francisco South Bay|South Bay area]] in the south, and the Concord-Walnut Creek area in the north. The two interstates cross on the border of Dublin and Pleasanton. The Tri-Valley area is also serviced by [[Bay Area Rapid Transit|BART]], offering service to the rest of the [[San Francisco Bay Area]] via two stops: [[West Dublin/Pleasanton (BART station)|West Dublin/Pleasanton]] and the [[Dublin/Pleasanton (BART station)|Dublin/Pleasanton]] terminus station.<ref>{{Cite web|url=http://www.bart.gov/stations|title=Station List {{!}} bart.gov|website=www.bart.gov|language=en|access-date=2018-01-01}}</ref> The West Dublin/Pleasanton Station opened in 2011, and was the first infill station on an existing line. In 2018, BART cancelled plans<ref>{{Cite web|url=https://www.bart.gov/about/projects/liv|title=Livermore Extension {{!}} bart.gov|website=www.bart.gov|language=en|access-date=2019-06-13}}</ref> to extend the line to Livermore. However, the Tri-Valley–San Joaquin Valley Regional Rail Authority is in the planning process<ref>{{Cite web|url=http://www.acetobart.org|title=ValleyLink|website=www.acetobart.org|language=en|access-date=2019-06-13}}</ref> for a rail connection between BART, ACE, and the San Joaquin Valley called the [[Valley Link]]. [[File:Tri-Valley-Offices.jpg|alt=Corporate office buildings at the intersection of I-580 and I-680|thumb|247x247px|Corporate office buildings at the intersection of I-580 and I-680]] == Economy == The Tri-Valley is home to the corporate headquarters of many companies, including [[10x Genomics|10X Genomics]], [[24 Hour Fitness]], [[Architectural Glass and Aluminum]], [[Bay Area News Group]], [[Blackhawk Network Holdings]], [[CallidusCloud]], [[Chevron Corporation|Chevron]], [[The Cooper Companies]], [[Discovery Toys]], [[Ellie Mae]], [[GE Digital]], [[Gillig Corporation]], [[Patelco Credit Union]], Prosoft Engineering, [[Ross Stores]], SafeAmerica Credit Union, [[Safeway Inc.|Safeway]], [[Shaklee]], [[TriNet]], [[Veeva Systems]], [[Visioneer]], [[WANdisco]], [[The Wine Group]], Product10x Accelerator, Salestable and [[Workday, Inc.|Workday]]. Major employment centers include [[Bishop Ranch]] and [[Hacienda Business Park]]. [[Lawrence Livermore National Laboratory]] and [[Sandia National Laboratories]] are also major employers in the region. [[File:Schaefer Ranch Park.jpg|alt=Aerial view of Schaefer Ranch Park in Dublin, CA|thumb|247x247px|Aerial view of Schaefer Ranch Park in Dublin, CA]] == Recreation == The Tri-Valley features access to many recreational options, including [[Alviso Adobe Community Park]], [[Blackhawk Museum]], [[Brushy Peak Regional Preserve]], [[Del Valle Regional Park]], [[Dublin Hills Regional Park]], [[Eugene O'Neill National Historic Site]], [[Forest Home Farms]], [[Iron Horse Regional Trail]], [[Las Trampas Regional Wilderness]], [[Little Hills Picnic Ranch]], [[Livermore Valley AVA|Livermore Valley Wine Country]], [[Morgan Territory Regional Preserve]], [[Mount Diablo State Park]], [[Pleasanton Ridge Regional Park]], [[Shadow Cliffs Regional Recreation Area]] and The Wave Waterpark. ==See also== * [[East Bay (San Francisco Bay Area)]] * [[Tri-Valley Community Television]] * [[Livermore Valley AVA]] ==References== {{Reflist}} {{SF Bay Area}} {{California}} [[Category:Geography of Alameda County, California]] [[Category:Subregions of the San Francisco Bay Area]] [[Category:Regions of California]] [[Category:San Ramon, California]] [[Category:Amador Valley]] [[Category:Livermore Valley]] [[Category:Dublin, California]] [[Category:Pleasanton, California]] [[Category:Danville, California]]
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