From EverybodyWiki Bios & Wiki

Oregon (/ˈɒr(ɪ)ɡən/) is a state in the Pacific Northwest region of the Western United States.[1][2] The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idaho.[3] The 42° north parallel delineates the southern boundary with California and Nevada.