Columbia River

Lewis view Mt Hood 142 m / Yellepit Pond descent

Mile 310.0 Both Bank Geologic

Lewis & Clark Event

Camp · October 18, 1805

Source Data

Left bank: Lewis view Mt Hood 142 m

Right bank: Yellepit Pond descent

Notes: Camp 10/18/1805

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.

Our Partners

Follow the research

New findings, additions, and corrections from the archive. One email a month, no noise.