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.
Below the dam, the Gibbon River is running at 90 CFS through 63°F water — 6/10 today. Top pick: a X-Caddis.
Open Sat of Mem Day wknd — First Sun in Nov
YNP fishing permit required. Some sections may have additional closures
Forecast and on-page guide updated June 21, 2026 (UTC). Open the app for hourly conditions.
Today's Fishing Conditions
Fair
Updated 10:39 PM
63°F
90 CFS
1 PM - 3 PM
X-Caddis
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Quick Facts
Brown Trout, Rainbow Trout, Brook Trout, Westslope Cutthroat Trout, and Arctic Grayling
freestone
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
Recommended Tactics
PRIME MONTH. Salmonfly and stonefly hatches.
June Hatches
BWO
Mayfly
Early season and fall BWO fishing. Meadow sections productive.
PMD
Mayfly
June and early July best. Morning hatches.
March Brown
Mayfly
Early summer mayfly activity.
Mother's Day Caddis
Caddis
Early season opportunity. Memorial Day weekend opener.
Caddis
Caddis
Summer evening caddis. Meadow sections best.
Year-Round Fishing Guide
| Month | Water Temp | Tactics |
|---|---|---|
| January | 32-38°F | Deep nymphing, Midges, Streamers |
| February | 33-40°F | Midges, Small nymphs, Deep pools |
| March | 36-45°F | BWO dries, Streamers, Early stonefly nymphs |
| April | 40-50°F | Skwala dries, BWO patterns, Streamers |
| May | 45-55°F | Mother's Day Caddis, Nymphing, Streamers |
| June(Now) | 50-60°F | Salmonfly dries, Golden Stones, PMDs |
| July | 55-68°F | PMDs, Hoppers, Caddis, Attractor dries |
| August | 55-70°F | Hoppers, Tricos, PMDs, Terrestrials |
| September | 48-58°F | BWOs, Streamers, Hoppers |
| October | 40-50°F | Streamers, BWOs, Egg patterns |
| November | 35-42°F | Streamers, Deep nymphs, Egg patterns |
| December | 32-38°F | Deep 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.
Gibbon Meadows
Meadow fishing access.
Gibbon Falls
Below falls access.
Madison Junction
Confluence with Firehole.
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
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
Other Rivers You Might Like
Popular forecasts outside Wyoming—great for trip planning and comparing conditions.
Other Wyoming Trout Rivers
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Green
Snake River
North Platte River
Firehole River
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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