2,150 (1986 SIL). 290 in Yoliapi (1982 SIL). 1,600 monolinguals.
Southern Highlands Province, Koroba district; Enga Province, Lagaip district; Sandaun Province, Telefomin district; Lagaip river area, mountains north of Duna [duc] and Ipili [ipi] language areas; south of Lagaip river northward to Central range high peaks (political and physical boundary between Sepik region and the highlands).
Central Lagaip, Lower Lagaip, North Hewa, Upper Lagaip.
Latin script [Latn].
Seminomadic. Traditional religion, Christian.