The 1970-71 Ottawa District Intermediate Playoffs were won by the Embrun Panthers. They defeated Northern Ontario champion, the Val D'Or Olympiques two games to one in the quarterfinal round. They were defeated by Maritime champion and eventual 1970-71 Hardy Cup Champion the Bathurst Alpine Papermakers two games to one in the semi-finals.
Ottawa St. Lawrence League[]
- Semifinals
- Morrisburg Combines - Prescott Demons 4:1 on series (9:5, W:L, 9:3, L:W, 8:1)
- Final
- Embrun Panthers - Morrisburg Combines 4:1 on series (8:3, 7:5, 9:3, 6:11, 8:1)
District Final[]
- Embrun Panthers - Shawville Pontiacs 4:1 on series (7:0, 4:6, W:L, 6:3, 2:0)