Pumahuanca, Pumahuanja (possibly from Quechua puma cougar, puma, wank'a rock, "puma rock") or Yucay is a mountain in the Urubamba mountain range in the Andes of Peru. It is located in the Cusco Region, on the boundary between Calca and Urubamba provinces, northwest of the town of Urubamba. It lies northwest of Chicón and west of Capacsaya.