Dayton (Washington)

Dayton is a city of 2,400 people (2019) in the Palouse region of eastern Washington. It is the county seat of Columbia County. It has an historic depot, historic courthouse, and Main Street, that are part of a National Historic District. == Get in == US Highway 12 (US-12) connects Dayton to Walla Walla and Lewiston, Idaho. == Get around == == See == 1 Dayton Historic Depot, 222 E Commercial St, ☏ +1 509 382-2026. May-Oct: Tu-Th 11AM-5PM, F Sa 10AM-5PM, closed Su M holidays; Nov-Apr: Tu-Sa 11AM-4PM, closed Su M holidays. Built in 1881, it is the oldest surviving train depot in the state. $3/adult, children 12 and under are free. 2 Lewis and Clark Trail State Park, 36149 Highway 12 (7 mi (11 km) southwest of Dayton, at US-12 & Timpley Rd), ☏ +1 509-337-6457, lewis.clark.trail@parks.wa.gov. A 37-acre camping park. Discover Pass required ($10/day, $30/year). 3 Palouse Falls, ☏ +1 509 646-9218. A 200 ft (61 m) waterfall, the largest such feature in Eastern Washington. The park provides a viewpoint a short walk from the parking area, campground, and picnic area. $11.50 or Annual Discover Pass. == Do == 1 Columbia County Fairgrounds, 5 N Pine St. Also has a Horse Race Track. (updated Sep 2025) 2 Bluewood (21 mi (34 km) southeast of Dayton), ☏ +1 509 382-4725. Ski resort in the Umatilla National Forest (updated Sep 2025) == Buy == == Eat == == Drink == == Sleep == == Go next ==