Uturunku is a dormant high volcano in Bolivia with two summit peaks. It consists of a complex of lava domes and lava flows with a total volume of and bears traces of a former glaciation, even though it does not currently carry glaciers. Volcanic activity took place during the Pleistocene and the last eruption was 250,000 years ago; since then Uturuncu has not erupted but active fumaroles occur in the summit region.