Eugene is located in western Oregon on the Willamette River. It is situated in the fertile Willamette River Valley, which is a noted agricultural region. Lumber from forests in the nearby mountains make the wood products industry central to the city’s economy, and Eugene is the headquarters of Willamette National Forest. Tourism and high-technology research are also important industries, and the services and trade sectors are experiencing growth. A 2006 real estate survey has estimated the population of Eugene, Oregon at 146,356.