Big Hole (Oregon)

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Big Hole
East rim of Big Hole, Oregon.jpg
East rim of Big Hole, Oregon.
LocationLake County, Oregon, U.S.
Coordinates43°25′30″N 121°18′48″W / 43.4251292°N 121.3133502°W / 43.4251292; -121.3133502Coordinates: 43°25′30″N 121°18′48″W / 43.4251292°N 121.3133502°W / 43.4251292; -121.3133502[1]
RangeCascade Range
Elevation4,613 feet (1,406 m) at the bottom[1]
AgePossibly 20,000 years[2]
Topo mapUSGS Big Hole

Big Hole is a large maar (explosion crater) in the Fort Rock Basin of Lake County, central Oregon, northeast of Crater Lake, near Oregon Route 31. It is approximately 6000 ft (1820 m) across and 300 feet (91 m) deep.[3]

It is close to another smaller, but less-eroded maar crater, Hole-in-the-Ground.

See also[edit]


  1. ^ a b "Big Hole". Geographic Names Information System. United States Geological Survey. Retrieved 2008-11-13.
  2. ^ Lorenz, Volker (June 1970). "Some Aspects of the Eruption Mechanism of the Big Hole Maar, Central Oregon". GSA Bulletin. Geological Society of America. 81 (6): 1823–1830. doi:10.1130/0016-7606(1970)81[1823:SAOTEM]2.0.CO;2. Retrieved August 14, 2011.
  3. ^ McArthur, Lewis A.; McArthur, Lewis L. (2003) [1928]. Oregon Geographic Names (Seventh ed.). Portland, Oregon: Oregon Historical Society Press. ISBN 0-87595-278-X.

External links[edit]