Big Southern Butte
National Natural Landmark

Photo of Big Southern Butte
IN
BRIEF
The view from the Big Southern Butte illustrates the scope and dimensions of Quaternary volcanism in the western United States. It is the largest area of volcanic rocks of young age in the United States. Ownership: Federal.
For more information see Big Southern Butte
The view from the Big Southern Butte illustrates the scope and dimensions of Quaternary volcanism in the western United States. It is the largest area of volcanic rocks of young age in the United States. Ownership: Federal.
For more information see Big Southern Butte
DESIGNATION DATE
1976
