These determined the 1949-50 Intermediate champions of the Thunder Bay Amateur Hockey Association in northwestern Ontario,
Semi Final[]
Best of 3
Keewatin beat Fort Frances 2 wins to 1 (7-3, 5-11, 9-4)
Final[]
Best of 3
Fort William beat Keewatin 2 wins to none (9-8, 10-6)
Fort William advanced to the 1949-50 Western Canada Intermediate Playoffs.