Updated October 15, 2026

    Dennys River

    river in Maine

    The Dennys River, located in Washington County, is celebrated for its historic runs of wild Atlantic salmon, making it a bucket-list destination for many fly anglers. Beyond the iconic salmon, the river and its tributaries also support a healthy population of native brook trout. The river's character ranges from tranquil pools to swift runs, set within a wild, forested landscape.

    River flow last 30 days

    0100200300Sep 16Sep 22Sep 27261 cfs
    Flow now
    373cfs
    Above the typical range (261–264 cfs)
    Last 7 days
    Steady
    162 to 263 cfs
    Bite report · week of Oct 4

    What's working on Dennys River

    1. 01Dennys River flowing at 257 cfs under clear skies and 49°F.
    2. 02Fall entomology suggests Isonychia mayflies, Blue-Winged Olives (BWOs), and October Caddis are active.
    3. 03Atlantic Salmon are migrating upstream, making egg patterns effective for opportunistic Brook Trout.
    4. 04Focus on deeper runs, pools, and holding lies in the lower and middle river for salmon and trout.
    5. 05Experiment with streamer retrieve by adding pauses or jerks to entice strikes from migratory salmon.

    Past reports week by week

    9 weeks

    What to tie on

    Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.

    dry

    Isonychia Dun

    #14#16

    Matches the late-season Isonychia hatch, providing dry fly opportunities for rising trout.

    streamer

    Comet

    General attractor (steelhead)
    #4#6#8

    A proven attractor streamer for migratory salmon, effective in fall conditions.

    Buy at Amazon
    dry

    Blue-Winged Olive (BWO) Comparadun

    Baetis (BWO) adult
    #18#20#22#24

    Matches the consistent fall Blue-Winged Olive hatches, appealing to selective trout.

    Buy at Amazon
    egg

    Glo Bug

    Salmon/trout egg
    #8#10#12#14

    Crucial for trout and salmon keying into eggs during fall spawning runs.

    Buy at Amazon
    nymph

    Pheasant Tail Nymph

    Mayfly nymph (various)
    #14#16#18#20

    A versatile nymph that imitates various active aquatic insects, highly effective during fall BWO periods.

    Buy at Amazon
    streamer

    Egg Sucking Leech

    Leech/egg combination
    #2#4#6

    Effective year-round for predatory fish, especially in fall when imitating leeches and salmon eggs.

    Buy at Amazon
    streamer

    Black Ghost Streamer

    #4#6#8

    A historically effective streamer pattern for migrating salmon in New England rivers.

    dry

    October Caddis (Dry)

    October Caddis (Dicosmoecus) adult
    #6#8#10

    Imitates the large, active October Caddis, a significant fall insect hatch.

    Buy at Amazon

    Where to fish and who to ask

    1Dennysville Bridge2Edmunds Dam Pool3Meddybemps Lake Outlet
    Access
    1

    Dennysville Bridge

    Public access point near the town of Dennysville, providing convenient entry to productive stretches of the river.

    44.825°N 67.175°WDirections
    2

    Edmunds Dam Pool

    A significant holding pool below Edmunds Dam, known for concentrating Atlantic salmon during their runs.

    44.830°N 67.185°WUSGS 01019000Directions
    3

    Meddybemps Lake Outlet

    The start of the river, often holding migrating fish and offering good early-season opportunities.

    44.860°N 67.280°WDirections

    Get Dennys River reports by email

    Save this water and we'll email you a weekly summary of conditions, hatches and what's working.

    Maine season by season

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

    Read before you go

    Gear & tipsHow to Pick the Right Fly Rod Weight for Any Situation
    Gear & tips

    How to Pick the Right Fly Rod Weight for Any Situation

    Master fly rod weight selection with expert guidance on matching rod power to fish species, water conditions, and fishing techniques for optimal performance.

    Gear & tipsBest Fly Fishing SunglassesLens Color & Polarization Guide
    Gear & tips

    Best Fly Fishing Sunglasses: Lens Color & Polarization Guide

    Master lens color selection and polarization technology for superior vision and fish detection on the water.

    Gear & tipsFly Fishing NetsRubber vs. Nylon & Why It Matters for Fish
    Gear & tips

    Fly Fishing Nets – Rubber vs. Nylon & Why It Matters for Fish

    The net you choose dramatically impacts fish survival. Here's why rubber nets are superior to nylon for catch-and-release success.

    Gear & tipsFly Fishing in Yellowstone National ParkRegulations & Best Waters
    Gear & tips

    Fly Fishing in Yellowstone National Park – Regulations & Best Waters

    Master Yellowstone's world-class trout waters with essential regulations and top fishing spots for unforgettable angling experiences.

    Gear & tipsFly Fishing Rocky Mountain National ParkAlpine Lakes & Streams
    Gear & tips

    Fly Fishing Rocky Mountain National Park – Alpine Lakes & Streams

    Master fly fishing Rocky Mountain National Park's pristine alpine lakes and streams with expert techniques, gear selection, and regulations.

    Gear & tipsFly Fishing Great Smoky Mountains Wild Trout Streams
    Gear & tips

    Fly Fishing Great Smoky Mountains Wild Trout Streams

    Explore the Great Smoky Mountains' pristine wild trout streams with expert techniques for brook trout and rainbow trout fishing.

    Quick answers

    Common questions about Dennys River.

    What flies work best on Dennys River?

    Our top scored fly patterns for Dennys River right now are Black Ghost (80% confidence), Tube Fly (Scandinavian Salmon) (80% confidence), Egg Sucking Leech (80% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.

    What fish species are in Dennys River?

    Dennys River holds Atlantic Salmon, Brook Trout. See the species links on this page for fly recommendations and seasonal behavior for each.

    What are current flow conditions on Dennys River?

    Live USGS streamflow readings for Dennys River are charted in the sidebar of this page and updated automatically from the nearest gauge.

    Is Dennys River fishing well right now?

    We publish a fresh bite report for Dennys River each week based on recent on-the-water intel. The current report — with conditions, hatches, and what's producing — is on this page.