Dayton is a city in the Palouse region of eastern Washington. It is the capitol of Columbia County.
- Columbia County Fairgrounds and Horse Race Track
- Dayton Historical Depot, 222 E. Commercial Street, ☎ +1-509-382-2026, . May-Oct: Tu-Thu 11-17h, Fri-Sat 10-17h, closed Sun, Mon, holidays; Nov-April: Tue-Sat 11-16h, closed Sun, Mon, holidays. Built in 1881, it is the oldest surviving train depot in the state. $3/adult, children 12 and under are free. edit
- Lewis and Clark Trail State Park, 36149 Highway 12 (7 miles southwest of Dayton, at Highway 12 & Timpley Road), . A 37-acre camping park. (Not open to non-campers--even with state park pass.) edit
- Bluewood, (21 miles southeast of Dayton), ☎ +1-509/382-4725 (firstname.lastname@example.org, fax: +1-509/382-4726), . Ski resort in the Umatilla National Forest edit