California Historical Landmarks in Sonoma County

California Historical Landmark 915
Petrified Forest
4100 Petrified Forest Road
Five Miles Northwest of Calistoga
Discovered 1870

California Historical Landmark #915: Petrified Forest
Click the Photo to Read the Plaque

Petrified Forest

The Petrified Forest dating from the eocene period, is the only known example of a petrified forest in California. Its size, scope and variety of petrification is unique in the world. Opalized wood, obsidian quartz crystal, petrified coral and fossilized insects number among its wonders.

California Registered Historical Landmark No. 915

Plaque placed by the State Department of Parks and Recreation in cooperation with Ollie Orre Bockee, Jeanette Orre Hawthorne, and Davida Conway, August 19, 1978.

Prev | Next
Sonoma County: List | Map
California: List | Map