Covering about 1,726,000 acres in northern California with a small segment also extending into Oregon, Klamath National Forest is characterized by rugged forested ridges, rushing rivers and high mountain lakes and streams. Much of this scenic area is included in the Marble Mountain Wilderness and Trinity Alps Wilderness, which are accessible only by trail. Vehicular traffic is prohibited in wilderness areas. Hunting, fishing and white-water rafting opportunities are available. Learn More...