The Carstensz Glacier is near the peak of Puncak Jaya (sometimes called Mount Carstensz or the Carstensz Pyramid) which is a mountain in the Sudirman Range of the island of New Guinea, territorially the western central highlands of Papua province, Indonesia. The glacier is situated at an elevation of approximately and is east of the summit tower of Puncak Jaya. In 2002 the Carstensz Glacier was in length and wide.