Global Volcanism Program | Image GVP-03197
Mount Shasta one of the largest volcanoes of the Cascade Range, is located in northern California at the southern end of the Cascades. It is seen here beyond the Little Glass Mountain obsidian flow from Medicine Lake volcano to the NE.
Photo by Lee Siebert, 1981 (Smithsonian Institution).
This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.