Updated October 15, 2026

    Squannacook River

    river in Massachusetts

    The Squannacook is characterized by a mix of riffles, runs, and pools, flowing through wooded areas. It's a relatively small river, making it intimate and perfect for wading and targeting opportunistic trout.

    Conditions right now

    No USGS gauge is linked to this water yet, so we can't chart flows.

    Weather now
    65°F
    Clear Sky, wind 12 mph SW
    Bite report · week of Oct 4

    Blue Wing Olive (B

    1. 01Blue Wing Olive (B. vagans) hatches are expected, offering opportunities for both dry fly and nymph fishing.
    2. 02October Caddis are a significant fall hatch, providing a substantial meal for opportunistic trout.
    3. 03Deep nymphing and swinging streamers will be highly effective in the cold, clear water.
    4. 04Focus on areas with extensive cover and deeper pools where stocked and holdover trout concentrate.
    5. 05Trout, including Rainbows, Browns, and native Brook Trout, will be actively foraging on available insect life and baitfish.

    Past reports week by week

    5 weeks

    What to tie on

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

    dry

    Blue-Winged Olive (BWO) Comparadun

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

    Matches the expected fall Blue Wing Olive hatch, effective for selective trout feeding on emergers and adults.

    Buy at Amazon
    streamer

    Baby Brown Trout (Streamer)

    Trout fry
    #4#6#8

    Excellent for targeting aggressive brown trout, which become more predatory in the fall and actively feed on smaller baitfish.

    nymph

    Baetis Nymph

    Baetis (BWO) Nymph
    #16#18#20#22

    Represents the subsurface nymphal stage of the Blue Wing Olive, a consistent food source before and during hatches in fall.

    nymph

    Zebra Midge

    Midge pupa (Chironomidae)
    #18#20#22#24

    Midges are a consistent food source year-round, and this nymph is essential for enticing selective trout in cooling fall waters.

    Buy at Amazon
    dry

    October Caddis (Dry)

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

    Imitates the large October Caddis adult, a significant fall hatch that aggressive trout will target for a substantial meal.

    Buy at Amazon
    dry

    Floating Pond Smelt

    #14#16

    Trout, especially Rainbow and Brown Trout, will key into floating pond smelt in early mornings as water temperatures drop, a primary fall food source.

    streamer

    Olive Woolly Bugger

    #4#6#8

    A versatile streamer that effectively mimics leeches and baitfish, enticing aggressive strikes from stocked and holdover trout in colder fall waters.

    egg

    Blood Dot Egg

    Salmon/trout egg
    #10#12#14

    During the fall, trout may be spawning or keying into eggs, making this a highly effective pattern for opportunistic feeders.

    Buy at Amazon

    Where to fish and who to ask

    New Hampshire Rivers Guide Service · HollisStone River Outfitters · AmherstConcord Outfitters · ConcordMountain High Fly · New Hampshire1Groton Center2New Ipswich Road Bridge3Townsend State Forest Access
    AccessFly shopGuide trips
    1

    Groton Center

    Access points around Groton provide good fishing for stocked trout.

    42.607°N 71.590°WUSGS 01095500Directions
    2

    New Ipswich Road Bridge

    A reliable access point to productive sections of the river.

    42.678°N 71.758°WUSGS 01095500Directions
    3

    Townsend State Forest Access

    Provides ample public access to good trout water within the state forest.

    42.668°N 71.740°WUSGS 01095500Directions

    Fly shops within 40 miles

    8mi
    16mi
    22mi
    26mi

    Mountain High Fly

    New Hampshire, NH

    Get Squannacook River reports by email

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

    Massachusetts season by season

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

    Read before you go

    Gear & tipsWinter Fly FishingEssential Cold Weather Tips & Tactics
    Gear & tips

    Winter Fly Fishing: Essential Cold Weather Tips & Tactics

    Master winter fly fishing with proven cold weather strategies, gear selection, and tactics for catching trout when temperatures drop.

    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 & tipsFly Line Types GuideWF, DT, Running & Shooting Heads
    Gear & tips

    Fly Line Types Guide: WF, DT, Running & Shooting Heads

    Master fly line selection with our comprehensive guide to weight forward, double taper, running lines, and shooting heads for every fishing situation.

    Gear & tipsFly Fishing Pack vs VestWhich Setup Is Right for You?
    Gear & tips

    Fly Fishing Pack vs Vest: Which Setup Is Right for You?

    Compare fly fishing packs and vests to find the perfect gear setup for your angling style and fishing conditions.

    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.

    Quick answers

    Common questions about Squannacook River.

    What flies work best on Squannacook River?

    Our top scored fly patterns for Squannacook River right now are Hendrickson (80% confidence), Hendrickson Nymph (80% confidence), March Brown (80% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.

    What fish species are in Squannacook River?

    Squannacook River holds Brook Trout, Brown Trout, Rainbow Trout. See the species links on this page for fly recommendations and seasonal behavior for each.

    What are current flow conditions on Squannacook River?

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

    Is Squannacook River fishing well right now?

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