The Clackamas Indians are a tribe of Native Americans of the U.S. state of Oregon who traditionally lived along the Clackamas River in the Willamette Valley. Lewis and Clark estimated their population at 1800 in 1806. At the time the tribe lived in 11 villages and subsisted on fish and roots.
Like others of the Chinookan peoples, they practiced head flattening. From infancy the head was compressed between boards, thus sloping the forehead backward.
The now-extinct language spoken by the Clackamas is also known as Clackamas, and is one of the Chinookan languages, specifically a variety of Upper Chinook. It is closely related to the still-living (but highly endangered) Wasco-Wishram language, which is another variety of Upper Chinook.
She describes her farm property — owned in partnership with Dan Sullivan — as being located on the “unceded territory of the Clackamas band of the Upper ChinookTribe.” Oregon historical documents ...