The Lava Cast Forest Flow was one of several lava flows erupted from the upper NW rift zone of Newberry volcano about 7,000 years ago. The flow is named for its abundant casts of trees that formed when lava chilled and cooled around standing or fallen tree trunks.

Photo by Lee Siebert, 1997 (Smithsonian Institution).

This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.

Keywords: lava flow

Newberry