Updated October 15, 2026
    Access point

    Big Rock Campground Areaon Swift River

    Public access points around Big Rock Campground, known for good pockets and deeper water.
    Swift River reportDirections44.0410°N, 71.2960°W

    River flow last 30 days

    0200400Sep 16Sep 22Sep 27416 cfs
    Flow now
    1,850cfs
    Above the typical range (432–435 cfs)
    Last 7 days
    Rising
    416 to 442 cfs
    Weather now
    47°F
    Light Drizzle, wind 12 mph S
    Bite report · week of Oct 4

    Swift River currently at 543 cfs

    1. 01Swift River currently at 543 cfs, running high and cold.
    2. 02Active Autumn Caddis and Blue-Winged Olive (BWO) hatches expected.
    3. 03Focus on slower seams, current breaks, and deep pools for trout in higher flows.
    4. 04Prioritize weighted nymphs and streamers for subsurface presentations.
    5. 05Blood Dot Egg is a key pattern for opportunistic trout during fall spawning.

    What to tie on at Big Rock Campground Area

    Picked from recent reports for this stretch.

    dry80%

    Hendrickson

    #12#14#16

    A key early spring hatch for freestone rivers in the White Mountains, perfectly timed for mid-May on the Swift River.

    Buy at Amazon
    dry80%

    March Brown

    #10#12#14

    March Brown adults are actively hatching in early spring, making this an essential dry fly imitation for rising trout.

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    dry80%

    Blue-Winged Olive Comparadun

    #18#20#22

    Blue-Winged Olives are actively hatching in early spring, especially on overcast days. This low-profile dry fly is excellent for selective trout feeding on emergers and adults.

    emerger80%

    Sparkle Dun

    #14#16

    This emerger/dun pattern is excellent for targeting trout during the consistent Blue-Winged Olive hatches, mimicking insects struggling in the surface film.

    nymph80%

    Pheasant Tail Nymph

    #14#16#18#20

    A versatile and effective general mayfly nymph imitation, perfect for prospecting the subsurface before and during BWO hatches in spring flows.

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    nymph80%

    Copper John

    #14#16#18

    An excellent attractor nymph that gets down quickly in faster water, ideal for searching deep runs and pockets during elevated spring flows.

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    streamer80%

    Woolly Bugger (Olive)

    #4#6#8

    A reliable year-round streamer, effective for imitating leeches and baitfish, especially in the colder, higher spring flows where trout are opportunistic feeders.

    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 conditions.

    dry80%

    October Caddis

    The autumn caddis hatch is a significant event in fall, providing a substantial meal for trout.

    New Hampshire 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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