Pillar Rock photograph

Pillar Rock

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About Pillar Rock


Pillar Rock is a pillar-like monolith in the Columbia River, near its mouth. Formerly rising 75–100 feet above the water, it was dynamited and diminished to serve as the site of a navigational marker and light. The Lewis and Clark Expedition camped twice near the rock, on November 7 and November 25, 1805.

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