Global Volcanism Program | Image GVP-02954
The forested slope in the foreground is part of the Big Lava Bed, a 0.9 km3 lava flow that erupted from the scoria cone in the background about 9,000 years ago. The lava flow traveled 13 km from the crater and is the youngest feature of the Indian Heaven volcanic field.
Photo by Lee Siebert, 1995 (Smithsonian Institution).
This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.