Complex sentence: The main Asana has its primary source at an elevation of in the pampas in the peripheral region of the high puna, defined as an area (Pampa Tinajones and Apacheta Limani) above elevation.
Split into simpler sentences: The main Asana has its primary source at an elevation of. This is within the pampas in the peripheral region of the high puna, defined as an area (Pampa Tinajones and Apacheta Limani) above elevation.