The 1922-23 Rideau Group championship was won by Perth. They defeated Berwick of the Central Ottawa Valley League in the quarterfinals 13 goals to 4 (7-4, 6-0) in a 2 game total goal series. They defeated Hull of the Lower Ottawa Valley League in the semifinals 9 goals to 6 (4-5, 5-1) in a 2 game total goal series. They lost in the finals to St Patricks College of the Ottawa City Senior League (Capital League) 20 goals to 10 (7-3, 13-7).
No further information is available on teams or standings