Dayton is the county seat for Columbia County
Adjacent to Columbia County, Washington
Walla Walla County (45) ► Umatilla County, Oregon (78) ► Wallowa County, Oregon (21) ►
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| On East Main Street at North Front Street, on the right when traveling east on East Main Street. |
| On Patit Road at Ronan Hill Road, on the right when traveling east on Patit Road. |
| On U.S. 12 near Chandler Road, on the left when traveling east. |
| On East Main Street near North Front Street, on the right when traveling east. |
| On East Main Street west of North 3rd Street, on the right when traveling west. |
| On East Main Street west of North 3rd Street, on the right when traveling west. |
| On East Main Street (U.S. 12) at North 3rd Street, on the right when traveling west on East Main Street. |
| On North Front Street at East Commercial Street Avenue, on the left when traveling north on North Front Street. |
| On Kendall Skyline Road near NF-4620 (Route 4620), in the median. |
| On Tucannon Rd 1 mile north of Majorie Road, on the left when traveling north. |
| Near East Commercial Street Avenue near North 2nd Street, on the right when traveling east. |
| Near U.S. 12 near Timpey Road, on the right when traveling east. |
| On Patit Road at Ronan Hill Road, on the right when traveling east on Patit Road. |
| On Patit Road at Ronan Hill Road, on the right when traveling east on Patit Road. |
| On North 2nd Street at East Commercial Street Avenue, on the right when traveling north on North 2nd Street. |
| On North Front Street at East Commercial Street Avenue, on the left when traveling north on North Front Street. |
| On North 1st Street at East Commercial Street Avenue, on the right when traveling north on North 1st Street. |
| On U.S. 12 near Chandler Road, on the left when traveling east. |
| On Dayton Riverfront Path 0.2 miles south of West Main Street (U.S. 12), on the left when traveling south. |
| Near U.S. 12 near Timpey Road, on the right when traveling east. |
| Near U.S. 12 near Timpey Road, on the right when traveling east. |
| Near U.S. 12 near Timpey Road, on the left when traveling west. |
| On U.S. 12 near Timpey Road, on the right when traveling east. |
| On U.S. 12 near Timpey Road. |
| Near Washington State Highway 261 (U.S. 261). |
| Near Little Goose Dam Road near Route 261, on the left when traveling east. |
