- Altamont Pass
Infobox Mountain Pass
Name = Altamont Pass
Photo = Wind energy converter5.jpg
Caption = Wind turbines at Altamont Pass
Elevation = 1009 ft. / 308 mDubious|date=March 2008
Location =California , USA
Range =
Coordinates = coord|37.732389|N|121.652416|W|type:pass_region:US-CA|display=inline,title
Topographic
Traversed by = I-580,Union Pacific Railroad Altamont Pass (el. 755 ft. / 230 m) is a pass in
Northern California ,United States , located in theDiablo Range between Livermore in theLivermore Valley and Tracy in theSan Joaquin Valley . [ [http://geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:218189 USGS Geographic Names Information System (GNIS) Index] ]The pass carries Interstate 580, heavily congested by Central Valley
suburbanization , Altamont Pass Road, which is the original alignment of US 50 before it was bypassed by the present I-580, and two railroad right-of-ways (ROWs). Only one right-of-way is still in use: the old Western Pacific line, now owned byUnion Pacific ; it is today used for theAltamont Commuter Express , with service to Pleasanton, Fremont, and San Jose. The abandoned right-of-way was used by Southern Pacific, which is now part of Union Pacific.The pass is known for the
Altamont Pass Wind Farm , one of the earliest in the United States.References
External links
* [http://xahlee.org/Whirlwheel_dir/livermore.html 30 photos of Altamont Pass Wind Farm]
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