What is the highest island peak in world?

The highest island peak in the world is Mount Kilimanjaro, located in Tanzania, Africa. It has three volcanic cones: Kibo, Mawenzi, and Shira. Kibo is the highest cone and contains the dormant Kibo caldera, which is 2.5 kilometres in diameter and 200 metres deep. The highest point on Mount Kilimanjaro is Uhuru Peak, which is located on the rim of the Kibo caldera and has an elevation of 5,895 metres (19,341 feet) above sea level. Mount Kilimanjaro is also the highest free-standing mountain in the world, rising from the surrounding plains to its peak without any connecting ridges or mountains.