Atfalati Indians were located on the Atfalati plains, the hills about Forest Grove and the shores and vicinity of Wapato; they are also said to have extended as far as the site of Portland, all in the present state of Oregon.
Atfalati (Atfalati). A division of the Kalapooian family whose earliest seats, so far as can be ascertained, were the plains of the same name, the hills about Forest Grove, and the shores and vicinity of Wappato lake, Oregon; and they are said to have extended as far as the site of Portland. They are now on Grande Ronde Reservation and number about 20. The Atfalati have long given up their native customs and little is known of their mode of life. Their language, however, has been studied by Gatschet, and our chief knowledge of the Kalapooian tongue is from this
Many tribes have sub-tribes, bands, gens, clans and phratry. Often very little information is known or they no longer exist. We have included them here to provide more information about the tribes. Chachambitmanchal. An Atfalati band formerly living 3J m. N. of Forest Grove, Washington co., Oreg. Chachanim. An Atfalati band formerly living on Wapatoo Lake prairie, Washing ton co. , Oreg. Chachemewa. An Atfalati band formerly residing at Forest Grove, 6 m. from Wapatoo lake, Yamhill co., Oreg. Chachif. An Atfalati band formerly living on Wapatoo lake, Yamhill co., Oreg. Chachimabiyuk (refers to a swamp grass). An Atfalati band