Tri-Cities & Southeast Washington
Columbia County, Washington
County seat: Dayton
Columbia County is one of Washington's smallest counties, set in the rolling Palouse-like hills of the southeast. Dayton, the county seat, retains one of the state's best-preserved historic downtowns, surrounded by wheat and wine country.
Cities, Towns & Communities
- Dayton
- Starbuck
- Huntsville
1 full community guide available in this county.
Attractions
- Historic downtown Dayton
- Blue Mountains
- Whetstone Hollow
Parks & Recreation
- Dayton City Park
- Lewis and Clark Trail State Park
- Touchet River
Transportation
US 12 runs east-west through Dayton, linking Walla Walla and the Tri-Cities.