Skamania County topographic maps

Average elevation: 3,461 ft

Average elevation: 1,309 ft

Average elevation: 2,126 ft

Average elevation: 3,346 ft

Average elevation: 1,125 ft

Average elevation: 1,467 ft

Average elevation: 269 ft

Average elevation: 381 ft

Lava once flowed from the numerous volcanic cones that rise above the plateau, consisting mainly of overlapping shield volcanoes, spatter cones, and cinder cones, which averages 4,500 feet (1,400 m) in elevation. The wilderness' highest point is Lemei Rock (5,927 ft), whose crater now contains Lake Wapiki.…

Average elevation: 3,907 ft

Average elevation: 3,868 ft

Prior to 1980, Spirit Lake consisted of two arms that occupied what had been the valleys of the North Fork Toutle River and a tributary. About 4,000 years ago, these valleys were blocked by lahars and pyroclastic flow deposits from Mount St. Helens to form the pre-1980 Spirit Lake. The longest branch of Spirit…

Average elevation: 3,753 ft

Average elevation: 194 ft

Average elevation: 6,919 ft

Average elevation: 659 ft

Average elevation: 1,499 ft