Plains Miwok
Native toUnited States
EthnicityPlains and Sierra Miwok
Extinct1 speaker in 1962;[1] last speaker died late 1990s[2]
Language codes
ISO 639-3pmw
ELPPlains Miwok

Plains Miwok, also known as Valley Miwok, was one of the Miwok languages spoken in central California by the Plains Miwok people. It was spoken in the deltas of the San Joaquin and Cosumnes Rivers. Plains Miwok was once one of the most populous Miwok languages. All of the population has shifted to English.


Bilabial Alveolar Post-
Palatal Velar Glottal
Plosive plain p t k ʔ ⟨'⟩
voiced b[a] d[a] ɡ[a]
Affricate ⟨c⟩
Nasal m n ŋ
Fricative s h
Tap ɾ ⟨r⟩[a]
Approximant w l j ⟨j⟩
  1. ^ a b c d Phonemes taken from Spanish loan words.

Allophones of /b tʃ ɡ n s/ include [β ts ɣ ŋ ʂ].[3]

Front Central Back
Close i ɨ ⟨y⟩ u
Mid e ə o
Open a


  1. ^ H. Landar in Sebeok (1977)
  2. ^ Plains Miwok at Ethnologue (25th ed., 2022) Closed access icon
  3. ^ Callaghan, Catherine A. (1984). Plains Miwok Dictionary. University of California Press.