1947-48 Thunder Bay Junior Playoffs

Semi Final
Best of 3


 * Columbus Club 14 Hurricane-Rangers 2
 * Columbus Club 9 Hurricane-Rangers 3

Fort William Columbus Club beat Fort William Hurricane-Rangers 2 wins to none.

Final
Best of 7


 * West End Bruins 7 Columbus Club 7
 * West End Bruins 9 Columbus Club 7
 * West End Bruins 5 Columbus Club 5 (awarded to Bruins when the Columbus Club left the ice.)
 * West End Bruins 8 Columbus Club 3
 * West End Bruins 5 Columbus Club 3

Port Arthur West End Bruins beat Fort William Columbus Club 4 wins to none, 1 tie.

Port Arthur West End Bruins advanced to the 1947-48 Western Canada Memorial Cup Playoffs.