Historical reference: Do not rely on this information. It is very old. About this collection
Apurimac, or Tambo, a river of South America, which, rising near Caylloma in Peru and receiving several large affluents, after a course of 600 miles, joins the Ucayli, one of the head-streams of the Amazon, near the ninth parallel of south latitude. It is also known as the Catongo, and Ene.