Janca is one of the eight Natural Regions of Peru (Janq'u is Aymaran for “White”). It is located in the frozen heights where the condor lives.

The fauna in this region is limited because of the very cold weather. The only plant that grows here is the yareta or yarita (Azorella yarita).


Andean Continental Divide

Chala, dry coastLowland tropical rainforest or Selva baja
Maritime YungasHighland tropical rainforest or Selva alta
Maritime YungasSubtropical cloud forest or Fluvial Yungas
Quechua - Montane valleysQuechua - Montane valleys
Tree lineTree line - about 3,500 m
Suni, scrubs and agricultureSuni, scrubs and agriculture

Mountain Top:

  • Mountain passes - 4,100 m
  • Puna grassland
  • Andean-alpine desert
  • Snow line - about 5,000 m
  • Janca - Rocks, Snow and Ice
  • Peak


  1. Pulgar Vidal, Javier: Geografía del Perú; Las Ocho Regiones Naturales del Perú. Edit. Universo S.A., Lima 1979. First Edition (his dissertation of 1940): Las ocho regiones naturales del Perú, Boletín del Museo de historia natural „Javier Prado“, n° especial, Lima, 1941, 17, pp. 145-161.