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Idaho fly fishing

Fall Creek

Fall Creek in eastern Idaho near Swan Valley is a small stream with Yellowstone cutthroat trout.

  • 28 miRiver length
  • 1Game fish
  • 13Access points
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About Fall Creek

Fall Creek is a small stream in eastern Idaho near Swan Valley, close to the South Fork of the Snake River. It is a good fit for light rods and dry flies. The fish here are Yellowstone cutthroat trout.

Yellowstone cutthroat in small streams are often willing to take a dry fly. Grey Hackles, Royal Coachmans, Elk Hair Caddis, blue-winged olives, ants and hoppers all make sense here. Summer is the best known season.

The area around Swan Valley is a popular fly fishing region. Nearby water includes the South Fork of the Snake and other creeks. Fall Creek Falls is a well known spot along the South Fork.

Check Idaho Fish and Game rules for cutthroat limits and seasons, and confirm access before you go.

Fish you'll catch

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Yellowstone Cutthroat Trout

Hatching in November

What's on the water in the Snake Headwaters 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 Fall Creek

  • Bring a light rod

    A small stream setup is the right fit.

  • Fish dry flies

    Cutthroat on small streams often rise to a dry.

  • Try summer

    Summer is the season anglers favor.

  • Confirm access

    Land ownership changes. Check before you fish.

  • Release cutthroat carefully

    Native Yellowstone cutthroat deserve gentle handling.

Every access point on Fall Creek, in your pocket.

  • 13 mapped access points, with parking and put-ins
  • Today's Fishability score, so you fish the day that lines up
  • Bite forecast for the days ahead
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Fall Creek FAQ

Where is Fall Creek in Idaho?

It is near Swan Valley in eastern Idaho, close to the South Fork of the Snake River.

Can you wade Fall Creek?

Yes. It is a small stream that most anglers wade.

What flies work on Fall Creek?

Elk Hair Caddis, Royal Coachman, Grey Hackle and hopper patterns are good classics. For what is hatching and working today, check the FlyFishFinder app.

What fish are in Fall Creek?

Fall Creek holds Yellowstone cutthroat trout.

What is the best time to fish Fall Creek?

Summer is a favorite season.

Are there special rules on Fall Creek?

Cutthroat rules can differ by water. Check current Idaho Fish and Game regulations.

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