Puncak Mandala | Mandala Peak | Juliana Peak | Julianatop | Aplim Apom Rising above the remote highlands of Indonesian New Guinea, Puncak Mandala is one of the tallest and most geographically important mountains in Oceania. The great limestone massif reaches approximately 4,757–4,760 meters (15,606–15,617 feet) above sea level and dominates the eastern portion of …