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Ueli Steck A famed climber has fallen 1,000 metres to his death while training to scale Mount Everest .
Experienced Swiss climber Ueli Steck died on Sunday after he fell in the Everest region of Nepal during preparations to climb the world's highest mountain.
The 40-year-old is the first to die in the current climbing season, officials said.
Steck died after falling to the foot of Mount Nuptse, a smaller peak in the area, according to Mingma Sherpa of the Seven Summits Treks company that organised the expedition.
Kamal Prasad Parajuli, an official with Nepal's Department of Tourism, confirmed Steck died while climbing Nuptse and that he had planned to attempt an Everest ascent.
He said Steck, who climbed Everest in 2012, "slipped and fell 1,000 metres" in the Western Cwm along the normal route to Everest.