It is September 30th:
https://www.ontario....ne-16#section-1
Atlantic salmon
Season: fourth Saturday in April to September 30
Limits: S-0 and C-0 Brook trout
Season: fourth Saturday in April to September 30
Limits: S-5 and C-2 Brown trout
Season: fourth Saturday in April to September 30
Limits: S-5 and C-2 Channel catfish
Season: open all year
Limits: S-12 and C-6 Crappie
Season: open all year
Limits: S-30 and C-10 Lake sturgeon
Season: closed all year Lake trout
Season: January 1 to September 30
Limits: S-2 and C-1 Lake whitefish
Season: open all year
Limits: S-12 and C-6 Largemouth and smallmouth bass combined
Season: fourth Saturday in June to November 30
Limits: S-6 and C-2
Thank you