Wilderness areas in Northwestern California:

1. Castle Crags Wilderness
2. Chanchelulla Wilderness
3. Elkhorn Ridge Wilderness
4. King Range Wilderness
5. Marble Mountain Wilderness
6. Mount Lassic Wilderness
7. Mount Shasta Wilderness
8. North Fork Wilderness
9. Red Buttes Wilderness
10. Russian Wilderness
11. Sanhedrin Wilderness
12. Sinkyone Wilderness
13. Siskiyou Wilderness
14. Snow Mountain Wilderness
15. South Fork Eel Wilderness
16. Trinity Alps Wilderness
17. Underwood Wilderness
18. Yolla Bolly – Middle Eel Wilderness
19. Yuki Wilderness