Updated October 15, 2026
    Access point

    Wilsall Fishing Accesson Shields River

    Key public access point providing wade and float opportunities.
    Shields River reportDirections45.9800°N, 110.6500°W
    Bite report · week of Oct 4

    Shields River is running clear and at a good level

    1. 01Shields River is running clear and at a good level, indicating excellent fishability.
    2. 02October Caddis are becoming the primary dry fly hatch, drawing aggressive strikes.
    3. 03Blue-Winged Olive (BWO) and Mahogany Dun hatches are emerging, requiring delicate presentations.
    4. 04Terrestrial patterns, especially hoppers and ants, continue to entice opportunistic feeders along the banks.
    5. 05Subsurface fishing with nymphs and streamers is productive in deeper runs and around structure.
    6. 06Target species (Rainbow Trout, Brown Trout, Cutthroat Trout) are actively feeding in preparation for colder weather.

    What to tie on at Wilsall Fishing Access

    Picked from recent reports for this stretch.

    emerger100%

    PMD Sparkle Dun

    #16#18

    Pale Morning Duns are actively hatching across the region, making this emerger pattern excellent for matching trout feeding on insects struggling in the surface film.

    terrestrial100%

    Hopper #10

    #6#8#10

    Terrestrial activity, particularly with grasshoppers, is at its peak regionally, providing a substantial food source for opportunistic trout.

    dry100%

    Chubby Chernobyl (Tan)

    #14#16

    Recommended in recent regional reports as a productive large attractor dry fly, effective for imitating larger stoneflies or as a lead fly in dry-dropper rigs.

    terrestrial100%

    Amy's Ant

    Aggressive Westslope Cutthroat are taking large foam dries and attractor patterns, and Amy's Ant is a proven pattern for this summer terrestrial bite.

    dry100%

    Trico Spinner #22

    #20#22#24

    Active Trico hatches are occurring, particularly in slower water, making this spinner pattern essential for targeting selective rising fish during early morning spinner falls.

    dry100%

    Purple Haze

    #14#16#18

    A highly effective summer attractor pattern, explicitly mentioned in regional reports for drawing aggressive strikes from trout when no specific hatch is apparent.

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    dry100%

    Elk Hair Caddis #14

    #14#16#18

    Caddisflies are actively hatching, and this pattern is a reliable imitation for adult caddis, which are a staple food source for trout during summer.

    dry95%

    October Caddis

    The regional intelligence indicates October Caddis are becoming a significant factor, and fall is when the largest caddis hatch of the year occurs on many western rivers. This is a prime dry fly opportunity.

    dry90%

    Mahogany Dun

    #14#16#18

    Regional intelligence suggests Mahogany Dun patterns are starting to appear. Fall is a key time for Paraleptophlebia hatches, providing dry fly opportunities.

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    Montana season by season

    What changes on the water through the year, with the flies for each season.

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