Columbia River

Boardman – marina / Whitcomb Island

Mile 268.0 Both Bank Boat Ramp

Source Data

Left bank: Boardman - marina

Right bank: Whitcomb Island

Notes: Mt Hood 102 miles

Memorial Contribution Documented by Robert Heacock (1957–2025), from Wind Hard from the West: The Lewis and Clark Expedition on the Snake and Columbia Rivers (2015), used by permission of his family.

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