Here is a list of darkest sites in California. Go to Map

1. Death Valley National Park (Racetrack Playa)
2. Mojave National Preserve (Hole in the Wall Campground)
3. Joshua Tree National Park (Clarks Pass)
4. Trilobite Wilderness Area
5. Amboy Crater
6. Kennedy Meadows, Sequoia National Park
7. Glacier Point, Yosemite National Park
8. Conway Summit
9. Grandview Campground, Bishop
10. Courtright Reservoir
11. Lime Kiln State Park
12. Walker pass campground
13. Fossil Falls
14. Chaberlain creek
15. Eagle Lake near Lassen Volcanic National Park
16. Cuddeback Lake
17. Condon Peak Recreation Area
18. Baum Lake
19. Panoche hills
20. Trona pinnacles
21. Anza Borrego State Park
22. Wagon wheel staging area Near Trona

Expand the Legend on the left for all details