Kwalhioqua-Clatskanie (Kwalhioqua-Tlatskanai) is an extinct

Athabascan Athabaskan (also spelled ''Athabascan'', ''Athapaskan'' or ''Athapascan'', and also known as Dene) is a large family of indigenous languages of North America, located in western North America in three areal language groups: Northern, Pacific C ...

language of northwest

Oregon Oregon () is a state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idaho. T ...

and southwest

Washington state Washington (), officially the State of Washington, is a state in the Pacific Northwest region of the Western United States. Named for George Washington—the first U.S. president—the state was formed from the western part of the Washington ...

, along the lower Columbia River.

Dialects

Dialects were: * Kwalhioqua (a.k.a. Willapa or Willoopah) (north of the lower Columbia River) **Willapa or Wela'pakote'li subdialect **Suwal subdialect * Clatskanie (a.k.a. Tlatskanai) (south of the lower Columbia River)

References

{{Athabaskan languages Northern Athabaskan languages Extinct languages of North America