(CNN) The bodies of three professional mountain climbers were found Sunday, days after they were presumed dead in an avalanche at Canada's Banff National Park.

The three men, one American and two Europeans, were members of the company's Global Athlete Team

After the climbers were reported missing, park officials searched for them via air and "observed signs of multiple avalanches and debris containing climbing equipment," Parks Canada said.

The east face of Howse Peak is remote and an exceptionally difficult climb, with mixed rock and ice routes requiring advanced alpine mountaineering skills, officials said.

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