Oregon and recreational marijuana. Oregon's population is largely concentrated in the Willamette Valley, which stretches from Eugene in the south (home of the University of Oregon) through Corvallis (home of Oregon State University) and Salem (the capital) to Portland (Oregon's largest city). Astoria, at the mouth of the Columbia River, was the first permanent English-speaking settlement west of the Rockies in what is now the United States. Oregon City, at the end of the Oregon Trail, was the Oregon Territory's first incorporated city, and was its first capital from 1848 until 1852, when the capital was moved to Salem. Bend, near
Oregon State University the state of Oregon. The main campus is located in Corvallis, in the Willamette Valley. In 1994, OSU was rated the safest campus in the Pac-10 in a study of universities. In September 2008, much of the Oregon State University campus in Corvallis was designated the Oregon State University Historic District by the National Register of Historic Places. It is the only college or university campus in Oregon to have a historic district designation. The effort to have the John Charles Olmsted-designed campus listed on the National Register took two years. OSU recently completed the construction of a branch campus