 skamania county is a county located in the u.s. state of washington. as of the 2010 census, the population was 11,066. the county seat and largest incorporated city is stevenson, although the carson river valley cdp is more populous. the county was founded in 1854 and derives its name from the cascades chinook word sk'mÃ¡niak, meaning "swift waters". skamania county is included in the portland-vancouver-hillsboro, or-wa metropolitan statistical area. ==history== skamania county was formed on march 9, 1854. on may 18, 1980, mount st. helens erupted ==geography== according to the u.s. census bureau, the county has a total area of , of which  is land and  (1.7%) is water. 90% of skamania is forested and 80% is a part of gifford pinchot national forest. ===geographic features=== *cascade mountains *columbia river *mount st. helens *indian heaven ===major highways=== *20px state route 14 * wind r
1854_establishments_in_the_United_States Columbia_River_Gorge Gifford_Pinchot_National_Forest Mount_St._Helens Washington_(state)_counties Western_Washington