Arroyo Viejo

Arroyo Viejo is a westward flowing 5.1 miles (8.2 km) creek that begins in the Oakland Hills in Alameda County, California, and joins Lion Creek just before entering San Leandro Bay, a part of eastern San Francisco Bay.[3]

Arroyo Viejo
Old Creek[1]
Location of the mouth of Arroyo Viejo in California
Location
CountryUnited States
StateCalifornia
RegionAlameda County
CityOakland
Physical characteristics
Source 
 ⁃ coordinates37°45′38″N 122°07′48″W[2]
 ⁃ elevation450 ft (140 m)[3]
MouthSan Leandro Bay
 ⁃ coordinates
37°45′17″N 122°12′05″W[3]
 ⁃ elevation
1 ft (0.30 m)[3]
Basin features
Tributaries 
 ⁃ rightArroyo Melrose Highlands Branch, 73rd Avenue Branch

History

Arroyo Viejo means Old Creek in Spanish.[1]

Hiking

There is a hiking trail offering visibility into the eastern San Leandro Bay marshlands between East Creek and Damon Marsh at the mouth of Lion Creek.[4]

Watershed and course

The Arroyo Viejo Creek Watershed drains 6.2 square miles (16 km2) beginning on the western slope of the Oakland hills and running west through the northern boundary of Knowland Park then urban Oakland before merging with Lion Creek and entering San Leandro Bay, and finally, San Francisco Bay. Rifle Range Creek begins in the Leona Canyon Regional Open Space park, then joins the Arroyo Melrose Highlands Branch, which is also joined by Country Club Creek (which flows along the northern boundary of Sequoyah Country Club). The Arroyo Melrose Highlands Branch joins Arroyo Viejo at the MacArthur Freeway. Below the freeway, the creek is joined by the 73rd Avenue Branch (which is in an underground pipe), and continues in a series of engineered channels and underground culverts to Lion Creek (also known as Arroyo de Leona)[1] and crosses Interstate 880 to San Leandro Bay within the larger San Francisco Bay.[5]

Ecology

The upper tributaries of Arroyo Viejo lie in what was historically a belt of coast redwood (Sequoia sempervirens) extending from the Leona Canyon Regional Open Space Preserve up to Redwood Regional Park and east to Moraga.[6]

See also
  • Rivers of California

References
  1. Page Mosier & Dan Mosier (1986). Alameda County Place Names. Fremont, California: Mines Road Books.
  2. "Arroyo Viejo". Geographic Names Information System. United States Geological Survey.
  3. U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-04-05 at WebCite, accessed February 11, 2017
  4. "Damon Marsh Walk". Oakland Museum. Retrieved February 11, 2017.
  5. Arroyo Viejo Watershed (Report). Alameda County Flood & Water Conservation District. Retrieved February 11, 2017.
  6. Sylvia Linsteadt (January 1, 2017). "Old Giants: The Last Days of Oakland's Redwoods". Retrieved February 11, 2017. Cite magazine requires |magazine= (help)
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