Settlements and terraces from the Chachapoya and Inca cultures in the Ceja de Selva (high jungle) witness of an ample use in pre-Hispanic times.
Later after a drastic declination of the population in the colonial period the Chilchos Valley was forgotten in hundreds of years and then rediscovered and revisited in 1900.
Nationalmuseet Chilchos valley revisited. life conditions in the ceja de selva, peru, paperback/carolina espinoza
