Arroyo Las Positas
Arroyo Las Positas near its beginning, with Interstate 580 in the background.
Arroyo Las Positas is located in California
Arroyo Las Positas
Location of the mouth in California
EtymologySpanish
Location
CountryUnited States
StateCalifornia
RegionAlameda County
CitiesLivermore, Dublin
Physical characteristics
Sourceconfluence
  locationnorth of Livermore
  coordinates37°42′20″N 121°45′18″W / 37.70556°N 121.75500°W / 37.70556; -121.75500[1]
  elevation482 ft (147 m)
MouthArroyo Mocho
  location
north of Dublin
  coordinates
37°41′41″N 121°51′34″W / 37.69472°N 121.85944°W / 37.69472; -121.85944[1]
  elevation
348 ft (106 m)[1]

Arroyo Las Positas is a 7.4-mile-long (11.9 km)[2] westward-flowing watercourse in Alameda County, California, which begins at the confluence of Arroyo Seco and Cayetano Creek north of Livermore, and empties into Arroyo Mocho in Dublin, California.[3]

See also

References

  1. 1 2 3 U.S. Geological Survey Geographic Names Information System: Arroyo Las Positas
  2. U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-03-29 at the Wayback Machine, accessed March 15, 2011
  3. "Watershed Map" (PDF). Alameda Creek Alliance. Archived (PDF) from the original on 2015-12-09. Retrieved 2021-01-07.


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