The avalanche happened around 2:30 p.m. in the Brandywine Mountain and Grizzly Lake area, close to where another snowmobiler was killed two years ago.
Whistler RCMP Staff Sgt. Steve LeClair said one of the snowmobilers was unhurt, but the other was buried under the snow for some period of time. He was dug out by his friend who spotted his avalanche air pack.
The buried rider regained consciousness, although he was nauseous and vomiting.
When search and rescue crews arrived at the scene, the two friends had already left the area on their snowmobiles and gave a thumbs-up to the crew.
LeClair added the buried man was encouraged to go to a hospital.