These determined the 1942-43 Intermediate champion of the Ottawa District Hockey Association.
First Round[]
2 games total goals
- Cornwall beat Iroquois 15 goals to 10 (6-4, 9-6)
- Perth-Smiths Falls beat Almonte 32 goals to 8 (18-5, 14-3)
Second Round[]
2 games total goals
- RCAF was awarded the series over Buckingham beacause of ineligible players.
- Ottawa Car Flyers beat Ottawa District Depot 13-10 (7-6, 6-4)
Third Round[]
2 games total goals
- Ottawa Car Flyers beat RCAF 11-3 (11-3 and defaulted)
Quarter Finals[]
2 games total goals
- Perth-Smiths Falls beat Ottawa Car Flyers 15 goals to 13 (6-6, 9-7)
Semi Finals[]
2 games total goals
Cornwall beat Perth-Smiths Falls 17 goals to 13 (4-6, 13-7)
Best of 3
Petawawa beat Ottawa New Edinburgh 2 wins to none (20-2, 10-5)
Final[]
Best of 3
Petawawa beat Cornwall 2 wins to 1 (5-0, 8-9, 6-2)
Petawawa advanced to the 1942-43 Eastern Canada Intermediate Playoffs.