Sidley (4285m)

Mount Sidley (4181 m) – the highest point of the  Mary Bird Land, in very rarely visited area. It is officially recognized as the highest volcano of Antarctica, one of the “Seven volcanos of the World”.  Mt.Sidley - a large mountain, with a huge caldera, which forms a wall height of 1200 meters, the opposite slopes of the mountains are flat and could easily be reached on skis. A layer of ice in the area reaches is a three-kilometer thick. There is no actual volcanic activity in the region, according to scientists last eruption occurred about 4.7 million years ago

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