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    GTA – Greater Toronto AreaFMZ 20

    Rouge River Marsh – Rouge National Urban Park

    195 Rouge Hills Dr, Scarborough, ON M1C 2Y9

    Marker
    Seasonal availabilityDirections Official FMZ 20 rules

    About this water

    Toronto's most accessible urban wilderness fishery — pike and bass in the marsh through summer, chinook and steelhead pushing up the river in fall and spring.

    Slow-moving marsh mouth where the Rouge River meets Lake Ontario. Weedy, warm, and stained through summer; salmon and steelhead run fall through spring.

    FMZ 20 regulations — Lake Ontario & St. Lawrence River

    The Canadian waters of Lake Ontario, the Bay of Quinte, the Niagara River below Niagara Falls (the Lower Niagara), Hamilton Harbour and the St. Lawrence River. Deep cold water supports a world-class salmon and trout fishery, while eastern Lake Ontario and the upper St. Lawrence hold warm- and cool-water species.

    • Chinook / coho salmon: open all year in the lake; tributaries have sanctuaries.
    • Rainbow trout (steelhead): Apr 1 – Sept 30 & 4th Sat Nov – Mar 31 in tributaries.
    • Walleye (Bay of Quinte): 3rd Sat in May – Feb 15; S-2/C-1 – 46 cm min.
    • Smallmouth bass: last Sat in June – Nov 30; S-6/C-2.

    Zone check: FMZ 20 set by review — Rouge River marsh and mouth at Lake Ontario — managed with Lake Ontario (FMZ 20). Reviewed 2026-08-12.

    Summary only — always confirm current seasons and limits on the Ontario MNRF FMZ 20 page before your trip.

    Seasonal availability

    Open-season windows for the species found at Rouge River Marsh – Rouge National Urban Park, taken from the FMZ 20 regulation summary. Green months are within a published open season — they are not a prediction of how well fish will bite.

    Best months to plan a tripany listed species open
    Chinook / coho salmonOpen all year
    • tributaries have sanctuaries.
    Rainbow trout (steelhead)Apr 1 – Sept 30 & 4th Sat Nov – Mar 31 in tributaries.
    Smallmouth basslast Sat in June – Nov 30

    No FMZ 20 season line published in our summary for: Northern Pike, Carp. Check the official page before keeping these species.

    Summary only, and seasons change annually. Confirm dates on the Ontario MNRF FMZ 20 page before your trip.

    Fishing tips

    • Bay of Quinte trophy walleye trolling peaks Oct–Dec on shallow flats after dark.
    • Toronto Harbour offers year-round shore fishing — pike, bass, salmon all available.
    • Fish the marsh edges early morning with a weedless frog for bass. In fall, drift roe bags at the river mouth for chinook.
    • Access: Free lot at Rouge Beach parking area (fills early on weekends). Trail access to the marsh mouth and pier.

    Solunar Calendar— Rouge River Marsh – Rouge National Urban Park

    🌔

    Waxing Gibbous

    93% illuminated · Age 12.2d

    Solunar rating93/100

    🌔 Tue, Aug 25

    93% · Rating 93
    minor8:41 PM – 9:41 PM
    major2:11 AM – 4:11 AM
    minor8:41 AM – 9:41 AM
    major2:11 PM – 4:11 PM

    🌔 Wed, Aug 26

    97% · Rating 98
    minor9:26 PM – 10:26 PM
    major2:56 AM – 4:56 AM
    minor9:26 AM – 10:26 AM
    major2:56 PM – 4:56 PM

    🌕 Thu, Aug 27

    100% · Rating 100
    minor10:09 PM – 11:09 PM
    major3:39 AM – 5:39 AM
    minor10:09 AM – 11:09 AM
    major3:39 PM – 5:39 PM

    Major windows (~2 h) cluster around moon transit and antitransit; minor windows (~1 h) around moonrise and moonset. Local approximations — verify against a printed almanac for planning.

    Gear setup

    Setup:
    Medium spinning for bass/pike; medium-heavy for salmon
    Rod:
    7' medium spinning rod
    Reel:
    Size 3000 spinning reel
    Line:
    15 lb braid with 20 lb fluoro leader
    Best bait:
    Nightcrawlers, Live minnows, Roe bags (fall/spring)
    Best lures:
    Spinnerbait, Weedless frog, Cleo spoon, Kwikfish (salmon)
    Directions
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