Northern Kalapuyan is an extinct Kalapuyan language indigenous to northwestern Oregon in the United States.
It was spoken by Kalapuya groups in the northern Willamette Valley southwest of present-day Portland.
The language is closely related to Central Kalapuya, spoken by related groups in the central and southern Willamette Valley.
The terminal speaker of Northern Kalapuya was Louis Kenoyer who died in 1937.
You can help Wikipedia by expanding it.This article related to the Indigenous languages of the Americas is a stub.