Columbia River

Sauvie Inlet / Post Office Lake-4 Mtns

Mile 94.5 Both Bank

Lewis & Clark Event

Camp · November 4, 1805

Source Data

Left bank: Sauvie Inlet

Right bank: Post Office Lake-4 Mtns

Notes: camp 11/4/1805, lunch 3/30/1806

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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