It says two guests were fully buried and died on scene, while the guide and three others were partially buried and critically injured, and another sustained non-critical injuries.
Avalanche Canada says all of the injured skiers were airlifted to the Invermere Hospital, where one of them died.
The organization has described the avalanche as a class 3, meaning it was large enough to destroy a building and break trees. The report says the avalanche was 300 metres in width and 75 centimetres thick.
Last week, the German news agency Deutsche Presse-Agentur says the mayor of the municipality of Eging, east of Munich, has confirmed the three men were from Germany and two were residents of his small Bavarian town.
Mayor Walter Bauer told the news agency that the other man was from Munich.
Avalanche Canada has warned about an extremely unstable snowpack across most of B.C. this season.
This report by The Canadian Press was first published March 11, 2023.
The Canadian Press