Updated October 15, 2026

    Gunpowder Falls

    river in Maryland

    Gunpowder Falls offers varied trout water from spring-fed freestone sections to stocked lower reaches inside Gunpowder Falls State Park, with accessible wading and numerous public access points.

    Conditions right now

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

    Weather now
    67°F
    Partly Cloudy, wind 11 mph S
    Bite report · week of Oct 4

    Active Blue-Winged Olive (BWO) hatches

    1. 01Active Blue-Winged Olive (BWO) hatches, especially mid-day on cloudy days.
    2. 02Consistent midge activity, providing a reliable food source for selective trout.
    3. 03Streamer fishing is effective for larger trout and smallmouth bass keying on baitfish and crayfish.
    4. 04Egg patterns are becoming relevant as some trout species begin fall spawning activities.

    Past reports week by week

    10 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 Comparadun

    #18#20#22

    Fall is prime time for Blue-Winged Olive hatches, and this low-profile dry fly is excellent for selective trout feeding on emergers and adults.

    egg

    Glo Bug

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

    Fall is egg season for trout, and egg patterns are highly effective below spawning areas, targeting opportunistic feeders.

    Buy at Amazon
    nymph

    Zebra Midge

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

    Midges are a primary and consistent food source year-round, especially in cooler fall water, making this a reliable subsurface pattern for picky trout.

    Buy at Amazon
    wet fly

    Soft Hackle Wet (Partridge & Orange)

    Caddis pupa/emerger
    #12#14#16

    Caddis pupae and emergers can still be active in the fall, and this pattern is a versatile choice for swinging through runs.

    Buy at Amazon
    streamer

    Woolly Bugger (Olive)

    #4#6#8

    A versatile streamer, effective for imitating leeches and baitfish, which are consistent food sources for aggressive trout and smallmouth bass in the fall.

    nymph

    Flashback Baetis Nymph

    #18#20#22

    Baetis nymphs are active subsurface during fall Blue-Winged Olive hatch periods, providing a consistent food source for trout.

    nymph

    Hellgrammite Fly

    Hellgrammite (Dobsonfly larva)
    #4#6#8

    Hellgrammites are a consistent, high-protein food source for smallmouth bass year-round on rocky rivers, making this a reliable fall subsurface pattern.

    streamer

    Clouser Crayfish

    Crayfish
    #2#4#6

    Crayfish are a primary food source for smallmouth bass in rocky river environments, making this a crucial subsurface pattern in the fall.

    Buy at Amazon

    Where to fish and who to ask

    Backwater Angler · MonktonGreat Feathers · Sparks GlencoeTochterman's Fishing · BaltimoreTochterman's Fishing Tackle · Baltimore1Hereford Area2Jerusalem Mill Access3Joppa / Lower Gunpowder
    AccessFly shopGuide trips
    1

    Hereford Area

    Upper trout-only reaches with cool, clear runs and pocket water favored for dry-fly fishing.

    39.627°N 76.480°WDirections
    2

    Jerusalem Mill Access

    Popular mid-reach access with good wading, holding runs, and insect hatches in spring and summer.

    39.494°N 76.453°WDirections
    3

    Joppa / Lower Gunpowder

    Lower stocked reaches closer to the estuary; better for beginner trout anglers and bank access.

    39.442°N 76.320°WDirections

    Fly shops within 40 miles

    10mi

    Backwater Angler

    Monkton, MDGuide trips
    10mi

    Great Feathers

    Sparks Glencoe, MD
    21mi

    Get Gunpowder Falls reports by email

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    Maryland 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 & tipsFelt vs. Rubber Sole Wading BootsWhat's Legal Where
    Gear & tips

    Felt vs. Rubber Sole Wading Boots: What's Legal Where

    Essential guide to felt vs. rubber sole wading boots, plus state-by-state regulations to keep you legal on the water.

    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.

    Quick answers

    Common questions about Gunpowder Falls.

    What flies work best on Gunpowder Falls?

    Our top scored fly patterns for Gunpowder Falls right now are Clouser Minnow (Bass) (80% confidence), Blue-Winged Olive Comparadun (80% confidence), Hendrickson Nymph (80% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.

    What fish species are in Gunpowder Falls?

    Gunpowder Falls holds Brown Trout, Rainbow Trout, Brook Trout, Smallmouth Bass. See the species links on this page for fly recommendations and seasonal behavior for each.

    Is Gunpowder Falls fishing well right now?

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