Hualcán (also called Rajopaquinan) (possibly from Quechua wallqa, walqa, -n a suffix) is a mountain in the Cordillera Blanca in the Andes of Peru, about high. It is located in Ancash, between Chacas (in Asunción Province) and Carhuaz (Carhuaz Province) districts. Hualcán lies south-east of Chequiaraju. Its territory is within the Peruvian protection area of Huascarán National Park and it's on the border of two provinces: Asuncion and Carhuaz. Cities of Chacas and Carhuaz.
Hualcan was first climbed by Karl Schmid and Siegfried Rohrer (Germany) in August 1939.
Other data from available digital elevation models: SRTM yields 6157 metres and ASTER 6157 metres. The height of the nearest key col is 3253 meters, leading to a topographic prominence of 2912 meters. Hualcan is considered a Mountain Sub-System according to the Dominance System and its dominance is 47.23%. Its parent peak is Huascaran Sur and the Topographic isolation is 13 kilometers.