Updated October 15, 2026
    Access point

    Lyman Falls State Parkon Ammonoosuc River

    Public access near the confluence with the Connecticut River, a key area for landlocked salmon runs.
    Ammonoosuc River reportDirections44.3725°N, 72.0620°W

    River flow last 30 days

    02550Sep 16Sep 22Sep 2715 cfs
    Flow now
    93cfs
    Above the typical range (18–25 cfs)
    Last 7 days
    Rising
    15 to 24 cfs
    Weather now
    51°F
    Overcast, wind 10 mph S
    Bite report · week of Oct 11

    Ammonoosuc River season closed October 15th

    1. 01Ammonoosuc River season closed October 15th.
    2. 02Water temperatures were 45°F, with air temperatures around 33°F and overcast skies.
    3. 03River flows were very low at 89.3 cfs, concentrating fish in deeper water.
    4. 04Blue-Winged Olive (BWO) hatches were anticipated, with nymphs and streamers proving most effective.
    5. 05Trout species (Rainbow, Brown, Brook) and Landlocked Salmon were the primary targets leading up to the closure.

    What to tie on at Lyman Falls State Park

    Picked from recent reports for this stretch.

    wet fly90%

    Soft Hackle Wet (Partridge & Orange)

    #12#14#16

    Explicitly recommended in recent angler reports. This wet fly effectively imitates caddis pupae and emergers, which can still be active in fall, making it versatile when swung through currents.

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    nymph90%

    Bead Head Woolly Bugger (Olive)

    #4#6#8

    Explicitly recommended in recent angler reports as a go-to streamer for current conditions, imitating leeches and baitfish, which are excellent for aggressive fall trout and salmon.

    streamer90%

    Black Ghost Streamer

    #4#6#8

    Explicitly recommended in recent angler reports as a historically effective streamer pattern for migrating Landlocked Salmon. Ideal for aggressive fall salmon.

    dry85%

    Blue-Winged Olive (BWO) Comparadun

    #18#20#22#24

    Recent angler reports suggest watching for BWO hatches, which are prominent in the fall, especially on overcast days. This low-profile dry fly is excellent for selective trout feeding on emergers and adults.

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    dry85%

    Pale Morning Dun Thorax

    #16#18

    Explicitly recommended in recent angler reports. Indicates PMD activity, which can persist into early fall, providing selective dry fly opportunities for rising trout.

    dry80%

    Hendrickson

    #12#14#16

    Hendricksons are a key early spring hatch in the region, offering a prime dry fly opportunity for opportunistic trout.

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    dry80%

    Orange Tungsten Eggs

    #14#16

    Trout remain keyed into egg patterns during the spring spawning season, particularly with recent stocking events.

    dry80%

    Haystack Caddis

    #14#16#18

    Caddis adults are becoming active in spring, and this pattern effectively imitates larger caddis, drawing aggressive strikes from trout.

    dry80%

    March Brown Dry

    #14#16

    March Browns are actively hatching in early spring, making this a primary dry fly for rising 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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