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Modoc National Forest

Modoc National Forest
IUCN category VI (protected area with sustainable use of natural resources)
Summit Trail in Modoc National Forest
Map showing the location of Modoc National Forest
Map of the United States
Location Modoc, Lassen and Siskiyou counties, California, USA
Nearest city Alturas, California
Area 1,654,392 acres (6,695.09 km2)
Governing body U.S. Forest Service

The Modoc National Forest is a 1,654,392-acre (6,695 km2) national forest in northeastern California.


  • Geography 1
  • Ecology 2
  • History 3
  • Management 4
  • See also 5
  • References 6
  • External links 7


The Modoc National Forest protects parts of Modoc (82.9% of acreage), Lassen (9.4%), and Siskiyou (7.7%) counties. Most of the forest was covered by an immense lava flow millions of years ago.

The eastern part of the forest east of Alturas contains a spur of the Cascade Range to the north known as the Warner Mountains. The Warner Mountains drop steeply on the eastern slopes, whereas the western flank has a more gentle topography.


Map of the Modoc National Forest

Due to the elevation and precipitation differences, the forests hosts a large number of plant species. The western side of the brushy foothills consist mostly of bitterbrush and curl-leaf mahogany. As elevation increases, forests of ponderosa pine, white and red firs, incense cedar, and aspen give way to lodgepole and western white pines sprinkle towards the summit. Some 43,400 acres (176 km2) of the forest have been identified as old growth, with lodgepole pine, ponderosa pine, white fir, incense cedar, and red fir being common constituents.[1]


Modoc National Forest was established as the Modoc Forest Reserve on November 29, 1904 by the General Land Office. It was named for the Modoc people who traditionally had their territory in this area. In 1905 federal forests were transferred to the U.S. Forest Service, and on March 4, 1907 they became National Forests. On July 1, 1908 Warner Mountains National Forest was added to Modoc.[2] The South Warner Wilderness lies within the forest.


Forest headquarters are located in Alturas, California. There are local ranger district offices located in Adin, Alturas, Cedarville, and Tulelake.

See also


  1. ^ Warbington, Ralph; Beardsley, Debby (2002), 2002 Estimates of Old Growth Forests on the 18 National Forests of the Pacific Southwest Region,  
  2. ^ Davis, Richard C. (September 29, 2005), National Forests of the United States (pdf), The Forest History Society 

External links

  • websiteModoc National Forestofficial
  • CERES - Overview of the Modoc Bioregion
  • Don Bain's VirtualGuidebooks to Mount Lassen and the Modoc Plateau

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