Grass Flat, California

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Grass Flat, California
Grass Flat, California is located in California
Grass Flat, California
Grass Flat, California
Coordinates: 39°40′33″N 120°56′07″W / 39.67583°N 120.93528°W / 39.67583; -120.93528Coordinates: 39°40′33″N 120°56′07″W / 39.67583°N 120.93528°W / 39.67583; -120.93528
CountryUnited States
U.S. National Forest ServicePlumas National Forest
4,859 ft (1,481 m)
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)
Area code(s)530
GNIS feature ID1658652[1]

Grass Flat is an unincorporated community and ghost town in northwestern Sierra County, California, United States.


Grass Flat is on Port Wine Ridge Road in the Sierra Nevada, within Plumas National Forest.

The site is 5.5 miles (8.9 km) southwest of Mount Fillmore.[2]


Grass Flat was established as a gold mining camp during the California Gold Rush (1848-1850s), in the far northern Northern Mines District.

The scarred landscapes from hydraulic mining during the gold rush, at Grass Flat and nearby, remain primarily barren of vegetation over 160 years later. Ponds fill the depressions formed by the hydraulic surface mining technique.

See also[edit]


  1. ^ "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
  2. ^ Durham, David L. (1998). California's Geographic Names: A Gazetteer of Historic and Modern Names of the State. Quill Driver Books. p. 493. ISBN 1-884995-14-4.