Landmark information
- Location:
4100 Petrified Forest Rd, 5 mi NW of Calistoga - Plaque:
Official State Plaque - Site:
Existing - Date First Visited:
7/28/1995 - Date Most Recently Visited:
2/4/2009 - GPS Coordinates:
N 38 33.342, W 122 38.322
About this landmark
Plaque text:
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.