Search Results We have found 1 items matching your search query. Search Advanced Search My Location Close Sort By: TitleDatePopularityFeaturedNearest List Grid Map Oregon State Travel Guide Oregon Parks & Public Lands EXPLORE OREGON! Oregon became the 33rd state on February 14, 1859. The Columbia River delineates much of Oregon’s northern boundary along Washington state, while the Snake River delineate More Details 1 Page 1 of 1