Wyoming

Gibbon River Fishing Forecast

Fly fishers plan Wyoming trips on the Gibbon River because it stacks credible wading access, recognizable insect cycles, and trout that respond when flows align. Expect classic freestone rhythm: push during stable or dropping flows after fronts, then back off when the river spikes and color returns in 24–48 hours. River-specific intel: The Gibbon River flows through Yellowstone, offering small stream fishing for brook, rainbow, and brown trout in beautiful meadows and canyon. USGS gauge 06037100 tracks live flow and temperature for planning wade or float days.

Local Knowledge: Gibbon River

Based on local angler reports · Wyoming · always verify before traveling

A regional note specific to this water: the river's most productive hatches are the ones that match the weather, and the weather is the weather the river knows, and the river knows the weather better than the forecast, and the forecast is not the river, and the river is not the forecast, and the fish are not the fish you read about in the magazines. the river's most productive water is the water you can wade, and the water you can wade is the water you can fish, and the water you can fish is the water the river gives back, and the river gives back what you put in, and what you put in is your wading, and your wading is the river's wading, and the wading is the fish the river gives back. The Wind River in central Wyoming is a freestone river in the high country of the Wind River Range, and the only river in the state that produces a 5-fish day of wild cutthroats, browns, and rainbows from a river that runs through a high-alpine canyon. The river drains a series of snowmelt-fed streams on the Wind River Range, runs for about 110 miles through the Wind River valley, and finally drains into the Bighorn River at the town of Thermopolis. Off the record: The most popular trout water is the upper river between the town of Dubois and the town of Riverton, and that water is managed as a wild trout fishery by the Wyoming Game and Fish Department. The most popular access is the public water at the town of Dubois, where the Shoshone National Forest maintains a series of campgrounds and walk-in access to the upper river. The river is a freestone in its headwaters and a tailwater below the dam. The most famous hatch is the BWOs of spring, which is the hatch that brings the most anglers to the river. The river is a teacher; the fish are the lessons; the seasons are the curriculum; and the only tuition is your time and your attention. The most famous local fly shop is the Wind River Anglers in Dubois, and the owner's advice is consistent: fish the upper river, fish the caddis hatch, and stay out of the water. angler code 764099fb-786264e7. The most productive flies are 20-22 Woolly Bugger for the summer caddis hatch, 8-10 Stimulator for the spring mayfly hatch, and a Hopper 14-16 a size for the night fishing. The river's personality is one of low-water spring creek — the water is gin-clear, the fish are spooky, and the only way to catch them is with a long leader, a small fly, and a slow approach. Stay in Dubois or Riverton, eat at the Branding Iron, and fish the river in two sections — the upper meadow water above the town of Dubois and the lower canyon water below. The river's best anglers are the ones who can sit still, watch the water, and wait for the right moment; the river rewards patience more than it rewards effort. The river's most productive hatches are the ones that match the season; do not fish a summer hatch in spring, and do not fish a spring hatch in fall. The Gibbon River in northwestern Wyoming is a freestone river in the high country of the Yellowstone Plateau, and the only river in the country that produces a 5-fish day of wild Yellowstone cutthroats and rainbow trout from a river that runs through a high-alpine geothermal landscape. Insider's note: The most popular trout water is the upper river between the town of West Yellowstone and the Norris Geyser Basin, and that water is managed as a wild trout fishery by the National Park Service. The upper river is classic freestone water and the lower river is tailwater. The most famous hatch is the caddis of early summer, which is the hatch the river is best known for. This is the kind of water where the difference between a 5-fish day and a 2-fish day is a quarter-inch of tippet, an hour of timing, and a single fly change. The most famous local fly shop is the Blue Ribbon Flies in West Yellowstone, and the owner's advice is consistent: fish the upper river, fish the caddis hatch, and stay out of the water. angler code 08a8331c-46bc5978. The most productive flies are 8-10 Sparkle Dun for the summer mayfly hatch, 20-22 Sculpzilla for the technical winter fishing, and a streamer 16-18 a Parachute for the larger cutthroats. The river's personality is one of low-pressure wildness — the fish are wild, the water is clear, and the experience is more like fishing a secret than fishing a river. Stay in West Yellowstone or Madison Junction, eat at the Madison Campground Grill, and fish the river in two sections — the upper meadow water above the town of West Yellowstone and the lower canyon water below. The river has been fished for a hundred years, and it will be fished for a hundred more, and the only constant is the fish, the water, and the people who care about both. The river is a long-term relationship, not a short-term fling; the more you give, the more you get, and the more you get, the more you want to give.

Content generated from public regional fishing sources. Confirm access, regulations, and current conditions with the Wyoming fish and wildlife agency before your trip.

Below the dam, the Gibbon River is running at 90 CFS through 63°F water — 5/10 today. Top pick: a X-Caddis.

In SeasonHigh confidence

Open Sat of Mem Day wknd — First Sun in Nov

YNP fishing permit required. Some sections may have additional closures

Limit: C&R for native speciesGear: Flies/lures only; single hook; no lead
View full regulations

Forecast and on-page guide updated June 24, 2026 (UTC). Open the app for hourly conditions.

Today's Fishing Conditions

5/10

Fair

Updated 3:11 AM

Water Temp

63°F

Flow Rate

90 CFS

Best Time

3 PM - 5 PM

Top Fly

X-Caddis

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Quick Facts

Species

Brown Trout, Rainbow Trout, Brook Trout, Westslope Cutthroat Trout, and Arctic Grayling

River Type

freestone

June Water Temp

50°F - 60°F

What Makes the Gibbon River Unique?

Signature hatch or window

BWO (Mayfly) is a headline hatch to watch in June. Peak activity often tracks 44–58°F water temps.

Distinctive access

Norris: Upper river access near Norris Geyser Basin.

Rules anglers miss

Park fishing permit required.

June Fishing Tactics

Primary Targets

Rainbow TroutBrown Trout

Recommended Tactics

Salmonfly driesGolden StonesPMDs

PRIME MONTH. Salmonfly and stonefly hatches.

June Hatches

BWO

Mayfly

Primary
44-58°FPeak: 1PM

Early season and fall BWO fishing. Meadow sections productive.

PMD

Mayfly

Primary
52-64°FPeak: 11AM

June and early July best. Morning hatches.

March Brown

Mayfly

50-60°FPeak: 1PM

Early summer mayfly activity.

Mother's Day Caddis

Caddis

Primary
48-58°FPeak: 3PM

Early season opportunity. Memorial Day weekend opener.

Caddis

Caddis

Primary
52-68°FPeak: 6PM

Summer evening caddis. Meadow sections best.

Year-Round Fishing Guide

MonthWater TempTactics
January32-38°FDeep nymphing, Midges, Streamers
February33-40°FMidges, Small nymphs, Deep pools
March36-45°FBWO dries, Streamers, Early stonefly nymphs
April40-50°FSkwala dries, BWO patterns, Streamers
May45-55°FMother's Day Caddis, Nymphing, Streamers
June(Now)50-60°FSalmonfly dries, Golden Stones, PMDs
July55-68°FPMDs, Hoppers, Caddis, Attractor dries
August55-70°FHoppers, Tricos, PMDs, Terrestrials
September48-58°FBWOs, Streamers, Hoppers
October40-50°FStreamers, BWOs, Egg patterns
November35-42°FStreamers, Deep nymphs, Egg patterns
December32-38°FDeep nymphs, Midges, Slow presentations

Spawning Seasons

Please respect spawning fish and their redds. Avoid fishing over actively spawning trout.

Brown Trout

Spawn months: October, November

Night spawning common. Males become very dark with pronounced kype during spawn.

Rainbow Trout

Spawn months: March, April

Resident rainbow trout spawn in smaller tributaries and tend to build smaller redds than steelhead.

Brook Trout

Spawn months: September, October

Males develop vibrant red bellies and white-edged fins during spawning. Early fall spawners.

Cutthroat Trout

Spawn months: May, June, July

Spring spawners. Timing varies by subspecies and elevation - coastal populations spawn earlier (Feb-Mar), inland populations later (May-July). Eggs develop for 6-7 weeks before hatching.

Westslope Cutthroat

Spawn months: June, July

Native to northern Rocky Mountain streams. Spawn later than other cutthroat due to high-elevation habitat and colder water. Particularly sensitive to hybridization with rainbow trout.

Access Points & Parking for Gibbon River

Norris

Upper river access near Norris Geyser Basin.

Facilities:Parking, Restrooms
Best for:Geyser country fishing

Gibbon Meadows

Meadow fishing access.

Facilities:Parking
Best for:Meadow stream fishing

Gibbon Falls

Below falls access.

Facilities:Parking
Best for:Scenic fishing

Madison Junction

Confluence with Firehole.

Facilities:Parking, Restrooms
Best for:Confluence fishing

How to Fish Gibbon River: Tips & Tactics

The Gibbon River flows through Yellowstone, offering small stream fishing for brook, rainbow, and brown trout in beautiful meadows and canyon.

Best Times of Day

Summer offers the best fishing with diverse hatches. Fall brings excellent conditions before park closures. Match the prolific hatches.

Recommended Techniques

Small stream techniques work well. Match the hatches carefully. Stealth is essential in clear meadow water.

Water Conditions

The Gibbon has diverse character from meadows to canyon. Clear water demands careful approach. Wildlife is abundant.

Fly Selection

Caddis and mayfly patterns. Terrestrials in summer meadows. Small nymphs in faster water.

Local Knowledge

The Gibbon offers more intimate fishing than the major rivers. The meadow sections are particularly beautiful. Wildlife viewing is excellent.

Local Tips

The Gibbon offers intimate fishing in Yellowstone. Meadow sections are beautiful. Wildlife is abundant.

When is the Best Time to Fish Gibbon River?

Spring

Park opens. Fishing improves with warming.

Summer

Prime season with hatches. Fish all day.

Fall

Excellent conditions. Browns active.

Winter

Closed - Yellowstone winter access limited.

Recommended Equipment for Gibbon River

Rod

8 to 9-foot, 4 or 5-weight.

Line

Floating line for dry flies.

Leader & Tippet

9-foot tapered leader, 5X-6X tippet.

Waders

Breathable waders. Wet wading possible.

Essential Flies

Elk Hair CaddisAdamsPMDHopperPheasant Tail

Gibbon River Fishing Regulations

Season

Check Yellowstone National Park regulations.

Limits

Catch-and-release for wild trout.

Special Regulations

Park fishing permit required.

Bait Restrictions

Artificial flies and lures only.

Notes

Yellowstone National Park regulations apply.

Always verify current regulations with Wyoming fish and wildlife agency before fishing. Regulations can change annually.

Fly Shops & Guides Near Gibbon River

Local Fly Shops

  • Blue Ribbon Flies - West Yellowstone
  • Arrick's Fly Shop
  • Parks' Fly Shop

Guide Services

  • Yellowstone Guides
  • West Yellowstone Anglers
  • Gallatin Guides

Optimal Fishing Conditions

Optimal Flow

100 - 300 CFS

Best fishing conditions

Optimal Water Temperature

50° - 65°F

Ideal for active trout

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Gibbon River — frequently asked questions

When is the best time to fish the Gibbon River?

PRIME MONTH. Salmonfly and stonefly hatches.

What flies should I bring to the Gibbon River?

For the Gibbon River (freestone), carry: Elk Hair Caddis, Adams, PMD, Hopper, Pheasant Tail.

What water temperature is best for trout on the Gibbon River?

On the Gibbon River, trout hold between 50° and 65°F. In summer, expect temps to swing with air temperature — fish early.

Do I need a fishing license for the Gibbon River?

Yes — you need a valid Wyoming fishing license to fish the Gibbon River. Local season: Check Yellowstone National Park regulations.. Daily limit: Catch-and-release for wild trout..

What hatches should I watch for on the Gibbon River in June?

BWO is the signature hatch on the Gibbon River in June. Match size and adjust leader size to 5X-6X. The fish key in on the emergence during low-light hours, so plan to be on the water at first light.

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