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Utah fly fishing

Green River

The Green River below Flaming Gorge Dam in Utah is a famous tailwater with Sections A, B and C, Little Hole and some of the heaviest trout numbers in the West.

  • 1,017 miRiver length
  • 11Game fish
  • 168Access points
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About the Green

The Green River below Flaming Gorge Dam is one of Utah's best known trout rivers. The water is cold, clear and controlled by the dam, so it fishes in every season. Anglers split it into Sections A, B and C. Section A runs from the dam to Little Hole and is the most fished.

Section A is about seven miles through Red Canyon. You can walk the Little Hole Trail along the river or float with a boat. Section B runs from Little Hole to Indian Crossing and has more riffles and gravel bars. Section C continues toward Browns Park near the Colorado line.

The river holds brown trout, Colorado River cutthroat and mountain whitefish, along with kokanee, smallmouth bass and several other species in the wider system. Trout numbers per mile are very high.

Midges, blue-winged olives and pale morning duns are the mainstays. Caddis, cicadas, yellow sallies and hoppers show up later. Streamers and mice have their moments.

Both floating and wading are common. Rules differ by section, so check the current Utah DWR regulations before you fish.

See the month-by-month Green River hatch chart →

Fish you'll catch

Tap a fish to see every Utah river that holds it.

Brown Trout Colorado River Cutthroat Trout
Mountain Whitefish
Kokanee Salmon
Smallmouth Bass
Crappie
Walleye
Muskellunge
3 other species

Hatching in November

What's on the water in the Upper Green watershed this month, and the fly to match.

Midge
Midge
#22-28, WD-40
34–65°F
Blue-Winged Olive
Mayfly
#18-22, Comparadun
44–58°F
All 11 hatches this year
Midge
Midge
#22-28, WD-40
34–65°F
Blue-Winged Olive
Mayfly
#18-22, Comparadun
44–58°F
Skwala Stonefly
Stonefly
#8-10, Chubby Chernobyl
44–54°F
Mother's Day Caddis
Caddis
#14-16, Elk Hair Caddis
48–58°F
Pale Morning Dun
Mayfly
#16-18, Sparkle Dun
55–68°F
Salmonfly
Stonefly
#4-6, Chernobyl Salmonfly
50–60°F
Golden Stonefly
Stonefly
#6-8, Stimulator
55–65°F
Green Drake
Mayfly
#10-12, Paradrake
55–65°F
Hopper Season
Terrestrial
#8-12, Dave's Hopper
65–78°F
Trico
Mayfly
#22-26, Trico Spinner
60–72°F
Mahogany Dun
Mayfly
#16, Comparadun
52–62°F

Light bars show the season and dark bars the peak. The ringed month is this month.

Tips for fishing the Green

  • Choose your section

    Section A is the most popular and most crowded. Section B is quieter and has more wade friendly gravel and riffles.

  • Walk the Little Hole Trail

    The trail follows the river and puts you on a lot of water without a boat. Bring water and plan your walk back.

  • Float if you want space

    A drift boat covers more water and gets you past the crowds near the dam. A boat ramp sits just below the dam and several are at Little Hole.

  • Watch your fly size and your drift

    Fish here see lots of flies. Clean drag free drifts with small, natural flies are worth more than switching patterns.

  • Check the flows

    Dam releases change the river. Look at the flow before you leave and plan your wading around it.

Every access point on the Green, in your pocket.

  • 168 mapped access points, with parking and put-ins
  • Today's Fishability score, so you fish the day that lines up
  • 7-day flow and water-temp trends for every gauge on the river
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Green River FAQ

When is the best time to fish the Green River in Utah?

The Green fishes year round because it is a tailwater. Summer is popular for dry flies, and the cold months are quieter with midge and blue-winged olive fishing.

Where can I fish the Green River below Flaming Gorge?

Most anglers start at the dam, Little Hole and Indian Crossing. Section A runs from the dam to Little Hole, Section B continues to Indian Crossing, and Section C runs on toward Browns Park.

Can you wade the Green River in Utah?

Yes. Walking the Little Hole Trail gives you a lot of wading options. Section B has easier wading with more riffles and gravel bars. Floating is also very common.

What flies work on the Green River?

Elk Hair Caddis, Pheasant Tail and Rainbow Warrior nymphs, blue-winged olive and pale morning dun patterns, and streamers are all good choices. Mouse patterns and cicadas have their season. The FlyFishFinder app shows what is hatching and working today.

What fish are in the Green River?

The system holds brown trout, Colorado River cutthroat and mountain whitefish, along with kokanee salmon, smallmouth bass, walleye and carp in other reaches.

Are there special rules on the Green River?

Yes. Regulations vary by section and change over time. Check the current Utah Division of Wildlife Resources rules for the section you plan to fish.

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