Toutle River Valley
View from State Route 504 (Spirit Lake Highway) downstream towards west. This valley was reshaped by a lahar flow during the 1980 eruption of the nearby Mount St. Helens.
- debris flow, fluvial processes, lahar, landslide, mountainscape, silviculture, Zonobiome V
- Saturday 29 September 2007 by Martin Mergili in North America and the Caribbean / United States | Washington (4246 visits)