Pachácamac. Templos, montañas, astros y agua presents the results of the study of the architectural and urban alignments of the Pachacámac sanctuary (south of Lima) obtained in 2017 through specialized software programs. The multidisciplinary study method (architectural, geographic, astronomical and ethnohistorical) used in the investigation is exposed, the analysis of the orientations carried out on the 497 visually recordable built-up components of the sanctuary is also shown.