See main article: Western International Hockey League.
1947–48 was the second season of the Western International Hockey League.
Note: Spokane Spartans were not eligible for the Allan Cup.
Best of 5
Trail Smoke Eaters beat Nelson Maple Leafs 3 wins to none.
Best of 5
Trail Smoke Eaters beat Kimberley Dynamiters 3 wins to 2, 1 tie.
Since this was the only senior league in the province, the Trail Smoke Eaters advanced to the 1947-48 Western Canada Allan Cup Playoffs.