A comprehensive numerical chronology for the pre-Columbian cultures of the Palpa valleys, south coast of Peru

► We present a numerical chronology for the cultural development in the valleys of Palpa (South Peru). ► More than 150 radiocarbon dates and archaeological age information are combined in a Bayesian model. ► The chronology covers the time from 3720 cal BC (start Archaic Period) to 1532 cal AD (end Late Intermediate Period).