To learn more about relocating or starting a business in Columbia County,
email Brad McMasters or call 509-382-2577.


Drive times
from Dayton

Walla Walla – 30 min.
Tri-Cities – 1 hr.
Spokane – 2.25 hr.
Seattle – 4.5 hr.
Portland – 4.5 hr.
Boise – 4.75 hr.

Choose Columbia County
Produced by
the Port of Columbia
1 Port Way
Dayton, WA 99328
www.portofcolumbia.org