Fort Columbia, Washington 7. Coast Artillery Gun Emplacement The park celebrates a military site that constituted the harbor defense of the Columbia River from 1896 to 1947. The fort was fully manned and operational through three wars. The park has 25 unsheltered picnic tables, available first-come, first-served. ⇦ Back to Page 6   On to Page 1 ⇨Hi-Res Pic (184K) Return to Fort Columbia Choices |