| Tualatin–Yamhill | |
|---|---|
| Northern Kalapuya | |
| Spoken in | Northwest Oregon |
| Extinct | 1937 |
| Language family |
Kalapuyan
|
| Dialects |
Tualatin
Yamhill
|
| Language codes | |
| ISO 639-3 | nrt |
Northern Kalapuyan is a 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.
Two distinct dialects of the languages have been identified. The Tualatin dialect was spoken along the Tualatin River. The Yamhill dialect was spoken along the Yamhill River. The language is closely related to Central Kalapuya, spoken by related groups in the central and southern Willamette Valley.
Northern Kalapuya is now extinct.
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