Krasheninnikov is an active complex volcano located in the eastern range but not belonging to any volcanic group.
It is made up of two eruptive cones in a 9km wide caldera. It reaches a height of 1,886m. Its last eruption took place about 400 or 600 years ago. It is about 13km from Kronotsky Lake, on the territory of Kronotsky National Biosphere Reserve.