Trail Run Project Logo


Rate Photo
     Clear Rating
  3.0 from 3 votes

The side of Lassen Peak is made up of volcanic rock. The large rock formations are called spines, formed when lab broke through the volcano's outer surface and pushed skyward.  

0 Comments

Nearby Photos

Zoom in to see details
Map Key

Nearby

Lassen Peak Trail

2.5 mi 4.1 km
 46
Shingletown, CA