Quechua I, also known as Quechua Wáywash, or Quechua B, is one of the two branches or genealogical groups of the Quechua languages. It is composed of a great diversity of linguistic varieties distributed in the mountains of central Peru, in the departments of Ancash, Huánuco, Pasco, Junín and Lima.This Quechua I differs from the Quechua II by the use of long vowels and in several morphemes. According to the linguists Torero and Carranza, they are older than Quechua II.