Devils Postpile National Monument is a National Monument located near Mammoth Mountain in eastern California. The monument protects Devils Postpile, an unusual rock formation of columnar basalt. It encompasses 798 acres and includes two main tourist attractions: the Devils Postpile …
Basalt columns of Devils Postpile
Rainbow Falls at Devils Postpile National Monument
The tops of the postpile columns are accessible to visitors. The shapes of the columns are seen clearly here.