Modoc National Forest

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Modoc National Forest is a 1,654,392 acre national forest in northeastern California. 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. Warner Mountains drop steeply on the eastern slopes, whereas the western flank has a more gentle topography.

The western side of the brushy foothills consist mostly of bitterbrush and curl-leaf mahagony. 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.