Wilcahuaín, Willcahuaín, or Huilcahuaín is an archaeological site in Peru. It is located near the village of Paria, 7 km northwest of the city of Huaraz, Ancash; at an elevation of 3,400 m. Wilcahuaín is regarded as one of the most important archaeological sites of the Wari culture. It was possibly built ca. 1100 AD.