Physiographically, the Klamath Mountains include the Siskiyou Mountains, the Marble Mountains, the Scott Mountains, the Trinity Mountains, the Trinity Alps, the Salmon Mountains, and the northern Yolla-Bolly Mountains. They are a section of the larger Pacific Border province, which in turn is part of the Pacific Mountain System (Pacific Coast Ranges) physiographic division.
Ten highest peaks
These are the ten highest points in the Klamath Mountains:
- 1. Mount Eddy (Trinity County, California; 9,029 feet (2,752 m))
- 2. Thompson Peak (Trinity County, California; 8,994 feet (2,741 m))
- 3. Mount Hilton (Trinity County California; 8,934 feet (2,723 m))
- 4. Caesar Peak (Siskiyou County, California; 8,920 feet (2,720 m))
- 5. Sawtooth Mountain (Trinity County, California; 8,891 feet (2,710 m))
- 6. Wedding Cake Mountain (Trinity County, California; 8,570 feet (2,610 m))
- 7. Caribou Mountain (Trinity County, California; 8,564 feet (2,610 m))
- 8. China Mountain (Siskiyou County, California; 8,551 feet (2,606 m))
- 9. Gibson Peak (Trinity County, California; 8,403 feet (2,561 m))
- 10. Boulder Peak (Siskiyou County, California; 8,299 feet (2,530 m))
A large portion of the Klamath Mountains is managed by the United States Forest Service. Several national forests lie in the Klamath Mountains region, including the Shasta-Trinity National Forest, Siskiyou National Forest, Klamath National Forest, Six Rivers National Forest, and Mendocino National Forest.
The Klamath Mountains contain 11 wilderness areas in both Oregon and California: