California State Parks -- Northern Buttes Cascade
P.O. Box 2430, Shasta  (530) 225-2065

Lassen National Forest
55 S. Sacramento St., Susanville  (530) 257-2151

Lassen Volcanic National Park
Post Office Box 100, Mineral  (530) 595-4444

Lassen Volcanic National Park
A GORP Site.

Lava Beds National Monument
Visitors can tour both the geologic and historic wonders of this unusual landscape.

Modoc National Forest
800 West 12th Street, Alturas  (530) 233-5811

Plumas National Forest
159 Lawrence St., Quincy  (530) 283-2050