Chanchamayo River

The Chanchamayo River (possibly from Quechua chanchay to walk and leap about, to walk quickly and confused, chancha chancha to walk quickly and irregularly, shancha a kind of bird, mayu river,) is a river in the Junín Region in Peru. It originates in the Huaytapallana mountain range where it is named Tulumayu. Chanchamayo flows along the town La Merced which is also called Chanchamayo. At the confluence of the rivers Chanchamayo and Pawkartampu the river receives the name Perené River.