Troutline

Winooski River

Vermont·Northern Vermont·44.31° N, 72.70° W
Flow
199 CFS
Winooski River at Montpelier
Water Temp
Condition
Above Normal
Weather
61°F
Clear
near Waterbury
Latest report: The Fly Rod Shop · 7 days ago

Insights

Flow
199 CFS — wading range
Solid water for fishing.
Wind
Wind 3 mph — calm
Easy casting and clean surface presentations.
Pressure
Pressure rising
Feeding may slow as fish sit tight.

The Winooski is northern Vermont's big-river trout fishery, and one of the few trout streams in the state you can walk to from a downtown sidewalk. It runs roughly 90 miles from Cabot down through Montpelier and Waterbury to Lake Champlain at Burlington, but the productive fly water is the freestone middle — about 50 miles from the reaches around Marshfield and Plainfield down to Richmond, where it slows and warms into a smallmouth river. Through Montpelier and Waterbury it's a 50-to-80-foot-wide freestone stream of riffles, runs, and pools over gravel and cobble — not technical spring-creek water, but honest wading water that rewards a nymph rig most of the season. Wild and stocked brown trout and rainbow trout hold the upper and middle reaches, and the state drops two-year-old fish and broodstock into the Waterbury trophy stretch, so a 16-to-22-inch fish is a real possibility (and a 26-incher isn't a fantasy) — though these are put-grow-take stockers, not a wild trophy population.

Below the Huntington confluence the river becomes a genuinely different fishery: smallmouth bass, fallfish, and carp take over, with a fall run of landlocked salmon and steelhead pushing in out of Lake Champlain to the well-known Salmon Hole below the Winooski One dam. You can fish trout near Montpelier in the morning and swing streamers for smallmouth near Richmond the same afternoon. The honest catch is temperature, not low water: the middle and lower river runs warm through summer and regularly tops 70 degrees by mid-July, so the trout fishing is really a late-May-through-late-June and a mid-September-through-mid-October game, with August fishable only when a cool spell drops water temps back into the 60s. Flows swing hard on a snowmelt regime — big and off-color in April, thin by August.

One practical note on reading the water: the two USGS gauges tell very different stories. The Essex Junction gauge (04290500) sits low in the system with a 1,044-square-mile drainage and reads far higher than the fishable trout reaches upstream — everyday summer flow there runs 700 to 1,050 CFS. Use the Montpelier gauge (04286000) as your reference for the wadeable trout water, where roughly 150 to 400 CFS is comfortable wading. Access is the river's quiet strength: state and town fishing-access areas at Montpelier, Waterbury, Bolton, Richmond, and Colchester Point put you on the water with parking, and Route 2 and River Road shadow the river for miles. The dams through the corridor — Winooski One, Bolton, Middlesex — are run-of-river hydro operated by Green Mountain Power, so they shape access and character but don't stage the flow the way a storage dam would.

Fishing Reports

Latest reports from local fly shops

The Fly Rod Shop · Stowe7 days ago
7/09/2026 River Report

Water Clarity: Clear Water Temperatures: 58-72 Hatches: Small Stones, Caddis, Light Cahils, Pale Evening Duns, Sulphurs, Hex, Yellow Sallies Suggested Patterns: Stimulators (#12-14) Light Cahils #14-16, PMX #12-16, Elk Hair Caddis, Hoppers, Pheasant Tails, Caddie Shack, Iron…

Read full report at The Fly Rod Shop
The Fly Rod Shop · Stowe13 days ago
7/03/2026 River Report

Water Clarity: Clear-stained Water Temperatures: 58-72 Hatches: Small Stones, Caddis, Light Cahils, Pale Evening Duns, Sulphurs, Hex, Yellow Sallies Suggested Patterns: Wooly Buggers, Zonkers, Pheasant Tails, Copper Johns, Iron Sallies, Bird of Prey, Sulphurs, PMDs, Elk Hair…

Read full report at The Fly Rod Shop
The Fly Rod Shop · Stowe3 weeks ago
6/22/2026 River Report

Water Clarity: Clear-chocolate milk Water Temperatures: 50-64 Hatches: Small Stones, Caddis, Light Cahils, Pale Evening Duns, Drakes, Sulphurs, Hex Suggested Patterns: Streamers! Attractor dries or small buggers on the smaller tribs A little more rain than what we had hoped for…

Read full report at The Fly Rod Shop

Species

  • Brown Trout
    Primary · May-Jun, Sep-Oct · 10-18"

    The backbone of the fishery — wild and stocked fish through the upper and middle river. The Waterbury trophy stretch holds broodstock and two-year-old fish in the 16-22" range, occasionally to 26", though these are put-grow-take stockers. Nymph the runs most of the season; streamers move the biggest browns early and late.

  • Rainbow Trout
    Common · May-Jun, Sep-Oct · 9-16"

    Stocked through the middle river with some wild fish, mixing with browns throughout the trout reaches. Strongest through the spring hatch window and again as the water cools in fall; often holding in the faster riffle and pocket water.

  • Smallmouth Bass
    Common · Jun-Sep · 10-18"

    Takes over below the Huntington River confluence, where the river slows and warms — structure, undercut banks, and slower water. The go-to when summer heat shuts the trout down. Fish streamers and poppers through the warm months near Richmond and lower.

  • Common Carp
    Occasional · Jun-Aug · to 30"+

    A legitimate sight-fishing target on the lower-river flats near Burlington and Colchester Point through the warm months, when the trout fishing is off. Big fish and a real fly challenge when you find them tailing.

  • Fallfish
    Common · Jun-Sep · 8-15"

    Abundant where the river slows through the middle and lower reaches, and a frequent grab on nymphs and small streamers. New England's largest native minnow and decent sport on a light rod when the trout are off-limits.

Ideal wading flow150600 CFS
Blow-out>2,500 CFS
Ideal water temp5065°F

Read the flow off the Montpelier gauge (04286000), not Essex Junction — the lower gauge sits on a 1,044-square-mile drainage and reads far higher than the wadeable trout water. Roughly 150-400 CFS at Montpelier is comfortable wading; around 200 CFS is low-and-clear midsummer. Late May to late June is the best all-around trout window — hatches peaking, water still cool. Mid-September to mid-October is the second act: cooling water, fall Blue-Winged Olives, coloring-up browns, and the landlocked-salmon and steelhead run entering the lower river. The real limiter is temperature: the middle and lower river regularly tops 70 degrees by mid-July, so August is a trout game only when a cool spell drops temps back into the 60s — otherwise switch to smallmouth and carp down low. Spring runoff pushes April flows high and off-color, and any sharp rain spike that doubles baseline blows out the trout reaches.

Sections

5 sections on this river

Lower Winooski to the Salmon Hole

Wade & FloatSteelhead · Salmon · Rainbow Trout · Smallmouth · Carp

Below the Huntington River confluence the river slows and warms, and smallmouth bass, fallfish, and carp take over — the most agriculturally and urban-impacted reach, running down through Richmond and Essex Junction (USGS gauge 04290500, a big-river gauge that reads far higher than the trout water) to the Salmon Hole below the Winooski One hydro dam. The Salmon Hole is the region's landlocked-salmon and steelhead spot on the fall run out of Lake Champlain, and the lower flats hold carp worth sight-fishing. Wade the Salmon Hole and the low-water reaches; the flats below fish better from a boat. Intermediate-to-advanced.

Best for: Smallmouth bass on streamers and poppers, carp sight-fishing on the flats, and the fall landlocked-salmon and steelhead run at the Salmon Hole. Seasonal trout on the cool edges up high.

Bolton Gorge to Richmond

WadeSalmon · Rainbow Trout · Smallmouth

Faster pocket water and pools through the Bolton area below Bolton Dam, where the river begins its character shift from trout to warmwater. The run-of-river Green Mountain Power dams sit through here — access and character landmarks, not release-scheduled flows and no reservoir storage. The Bolton Dam access (~10 vehicles) is a popular fall landlocked-salmon spot, and Route 2 stays close. Trout up high transitioning to salmon and smallmouth lower; streamers earn their keep in fall. Wadeable in places, intermediate-to-advanced.

Best for: Trout up top and fall landlocked-salmon staging water below Bolton Dam — swing streamers in autumn as the river transitions toward warmwater.

Middlesex to Waterbury Trophy Stretch

WadeBrown Trout · Rainbow Trout · Shad

The marquee trout reach — 60 to 70 feet wide over riffles and runs, and the best shot at a large fish on the river. Vermont's trophy-trout regulation section runs from the Route 2 bridge on the east side of Waterbury Village downstream to the top of Bolton Dam, stocked with two-year-old fish and broodstock in the 16-22" range (occasionally to 26") — put-grow-take stockers rather than a wild trophy population, but genuinely big fish. The Waterbury Village access holds about 15 vehicles; River Road runs the south bank and Route 2 shadows the reach from Middlesex. Nymphing, streamers, and evening dries for intermediate wading.

Best for: The best chance at a large brown or rainbow — stocked two-year-olds and broodstock in the year-round catch-and-release trophy section. Nymph deep, throw streamers, and fish evening hatches.

Upper Winooski — Marshfield to Montpelier

WadeBrown Trout · Rainbow Trout · Shad

The smaller, easily waded freestone at the top of the fly water — the most trout-like water on the river, cleaner and with better gradient than downstream. Riffles, pockets, and pools over gravel and cobble, with Route 2 shadowing the river and pull-offs and town access around Marshfield and Plainfield. Wild and stocked browns and rainbows hold here, and it sees less pressure than the Waterbury trophy stretch below. Dry-fly and nymph water for beginner-to-intermediate wading.

Best for: Wild and stocked brown trout and rainbow trout on nymphs and dries — the cleanest trout water on the Winooski and the lightest crowds.

Montpelier Urban Access

WadeBrown Trout · Rainbow Trout

Fifty to seventy feet wide with moderate current straight through downtown Montpelier, where the North Branch confluence adds a shot of cold water and USGS gauge 04286000 — the reference for the wadeable trout reaches — sits right in town. The downtown fishing-access area offers about 20 vehicles of parking and walk-in from the city streets. This is the river's signature story: fishing a trout river from a state-capital sidewalk. Nymphing runs and evening caddis for browns and rainbows, beginner-to-intermediate wading.

Best for: Brown trout and rainbow trout on nymph rigs and evening caddis — easy walk-in access and the primary flow gauge for the trout water.

Regulations

Current fishing rules and restrictions

Vermont Fish & Wildlife sets a statewide trout season plus a year-round catch-and-release provision and a designated Winooski trophy-trout section through Waterbury. Regulations change annually — verify against the current-year Vermont Fishing Guide & Regulations before fishing.

  • General trout season on rivers and streams: second Saturday in April through October 31, with a daily limit of 8 trout (combined brook, brown, and rainbow) under general regulations
  • Year-round catch-and-release: outside the open trout season most Vermont streams stay open with artificial flies or lures only, and trout must be immediately released
  • Winooski River trophy-trout section (Duxbury/Waterbury): from the top of Bolton Dam upstream to the Route 2 bridge on the east side of Waterbury Village — open to harvest second Saturday in April through October 31 with a reduced 2-trout daily limit, and catch-and-release with artificial flies and lures permitted year-round
  • The trophy section is stocked with two-year-old trout and broodstock (fish in the 16-22" range, occasionally larger) — these are put-grow-take stockers, not a wild trophy population
  • A Vermont fishing license is required (resident and non-resident tiers), available online or from license agents

Temperature is this river's defining variable — the middle and lower reaches warm past 70 degrees by mid-July, so trout fishing is a spring-and-fall pursuit and August is fishable for trout only during cool spells. Neither USGS gauge streams live water temperature, and the Essex Junction gauge reads far higher than the trout water, so read the season and the weather, not just the flow. The trophy-section boundaries and limits reflect the 2026 season; confirm the minimum-length rule in the current regulations booklet.

Source: Vermont Fish & Wildlife. Regulations change annually — verify before fishing.

Access & Logistics

Getting there, fly shops, and lodging

Getting There

Waterbury, VT

~35-40 min south of Burlington on I-89 (exit 10); ~15-20 min from Burlington International (BTV) to the lower river and Essex Junction; Montpelier is ~10 min east of Waterbury

Fly Shops

Camping & Lodging

There's no dedicated fishing lodge on the Winooski. Little River State Park above Waterbury has campsites near the cold Little River tailwater, and Waterbury and Montpelier both offer inns, motels, and B&Bs a few minutes from the trophy stretch. Burlington and Stowe expand the lodging options at either end of the corridor.

Access is the river's quiet strength. State and town fishing-access areas at Montpelier (downtown, ~20-vehicle parking), Waterbury Village (~15 vehicles, the trophy stretch), Bolton (~10 vehicles, the fall salmon water), Richmond, and Colchester Point near the mouth put you on the water with free parking. Route 2 and River Road shadow the river for miles. No access fees or permits beyond a Vermont fishing license; the Green Mountain Power hydro dams through the corridor are access and character landmarks, not release-scheduled flows.

Conditions data is live from public monitoring networks. Regulations change annually — always verify current rules with your state fish & wildlife agency before fishing.

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