Challhua (possibly from Quechua for "fish"),Teofilo Laime Ajacopa, Diccionario Bilingüe Iskay simipi yuyayk'ancha, La Paz, 2007 (Quechua-Spanish dictionary) Wiksu or Huicsu (both names possibly from Quechua for "twisted, bent") is a mountain in the southern Cordillera Blanca in the Andes of Peru, about high (IGN Peru map cites an elevation of ). Challhua is located in the Ancash Region, Bolognesi Province, Aquia District and in the Recuay Province, Catac District.http://escale.minedu.gob.pe/documents/10156/1367926/ugel_bolognesi.pdf - UGEL map of the Bolognesi Province (Ancash Region)John Biggar, The Andes: A Guide for Climbers, see sketch map on p. 90 It is situated northeast of Caullaraju, west of Pastu Ruri and Tuco and south of Santun. One of the nearest places is the village of Wicso, located next to Callan creek, west of the mountain. This creek flows to the Pumapampa River, a right affluent of the Santa River.
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