Allied Site
Oregon Historical Society
Portland, OR, United States
Website
ohs.org/
NPS atlas
Listed in the NPS Lewis and Clark NHT Park Atlas as a visitor center/museum · see it on the atlas map
From the NPS Lewis and Clark National Historic Trail Park Atlas, mirrored here on September 21, 2026. This copy is not authoritative; NPS remains the system of record. About the mirror
Houses a world-class research library and collections related to the Lewis and Clark expedition in the Pacific Northwest, including original documents, maps, and artwork.
