Chanchamayo River
The Chanchamayo River is a river in the Junín Region in Peru. It originates in the Huaytapallana [mountain range|Huaytapallana] mountain range where it is named Tulumayu. The Chanchamayo flows along the town of La [Merced, Junín|La Merced], which is also called Chanchamayo. After joining Paucartambo River, it is called Perené River.