About Carstensz Pyramid Carstensz Pyramid mountain Puncak Jaya or Carstensz Pyramid (4,884 m) is the highest summit of Mount Carstensz (/ˈkɑrstəns/) in the Sudirman Range of the western central highlands of Papua province, Indonesia (within Puncak Jaya Regency). Other summits are East Carstensz Peak (4,808 m), Sumantri (4,855 m) and Ngga Pulu (4,863). Other names