mount saint helens national volcanic monument with coldwater lake, cascades range, washington

lake mountain water bay shore wilderness reflection landscape nature vacation highland mount saint helens national volcanic monument coldwater cascades range washington surrounded ridges mountains beautiful state usa islands boulders rocks slopes cliffs peaks clear water forest trees volcano volcanism eruption ring fire plate tectonics subduction zone American Pacific Northwest west western idyllic peaceful quiet serene nature natural environment hike hiking outdoors blue sky summer day pebble beach United States North America