Updated October 15, 2026
    Access point

    Custer State Park East Accesson Battle Creek

    Public access inside/near Custer State Park with scenic runs and good trout holding water.
    Battle Creek reportDirections43.7600°N, 103.5900°W
    Bite report · week of Oct 4

    Clear skies and mild fall temperatures (51°F)

    1. 01Clear skies and mild fall temperatures (51°F), with moderate wind and humidity.
    2. 02Midge activity (Chironomidae) is the most consistent and important hatch this week.
    3. 03Focus on deeper pools, current seams, and undercut banks for wary trout, carp, and pike.
    4. 04Stealth and subtle dead drifts for nymphs are essential in clear water.
    5. 05Slow, deliberate retrieves with pauses are effective for streamers to imitate sluggish baitfish.

    What to tie on at Custer State Park East Access

    Picked from recent reports for this stretch.

    dry80%

    Isonychia Dun

    #14#16

    Isonychia mayflies are actively hatching in late summer through fall, making this a prime dry fly option.

    wet fly80%

    Soft Hackle Wet (Partridge & Orange)

    #12#14#16

    Caddis pupae and emergers are active from spring through fall, making this a consistent subsurface pattern.

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    nymph80%

    Zebra Midge (Black)

    #20#22#24

    Midges are a primary active insect even in cold water, making this a staple year-round pattern. Highly effective for enticing finicky trout in Battle Creek's current frigid conditions.

    nymph80%

    Flashback Pheasant Tail Nymph

    #14#16#18

    An excellent general searching nymph for early spring, mimicking various mayfly nymphs (including BWOs) that are active year-round and particularly as BWOs begin to emerge, even in cold water.

    nymph80%

    Iced Out Midge Pupa

    #18#20#22

    Specifically designed for cold conditions, this pupa imitation matches the subsurface midge activity common in colder water like Battle Creek is experiencing.

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    streamer80%

    Pine Squirrel Leech (Olive)

    #14#16

    Small leech patterns effectively mimic sluggish baitfish and annelids in cold water, enticing strikes from larger, lethargic trout in early spring on Battle Creek.

    nymph80%

    Tactical Peeping Caddis TH Jig

    #14#16#18

    Highly effective for targeting larger fish on undercut banks in Battle Creek. Caddis are actively emerging in spring, and this weighted jig will get down to them.

    egg80%

    Glo Bug

    #8#10#12#14

    Resident trout remain keyed into egg patterns year-round, especially with the upcoming spring rainbow spawn in the region, making this a good choice for Battle Creek.

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    nymph80%

    Scud (Pink/Orange)

    #12#14#16#18

    Freshwater shrimp (scuds) are a consistent food source in areas with aquatic vegetation, even in cold water. A pink or orange Scud can be very effective in early spring.

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    South Dakota season by season

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

    Fly shops nearby

    Local flies, current advice and guided trips.

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