Barr's Tungstone

The Barr's Tungstone is a reliable nymph pattern that imitates a variety of stonefly and mayfly nymphs. Its tungsten bead head gives it the weight needed to get down deep where trout feed, and its flashy body attracts attention.

Barr's Tungstone fly pattern - imitates Stoneflies, Mayflies tied for Trout
  • Intermediate
  • Year Round
  • Trout
  • Size 10–14

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The Barr's Tungstone is a reliable nymph pattern that imitates a variety of stonefly and mayfly nymphs. Its tungsten bead head gives it the weight needed to get down deep where trout feed, and its flashy body attracts attention.

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Materials

Hook
Tiemco 3769, size #10–#14
Bead
Gold tungsten, size to match hook
Thread
Brown 8/0 Uni-thread
Tail
Pheasant tail fibers
Body
Gold tinsel
Ribbing
Copper wire
Thorax
Peacock herl
Legs
Partridge feather fibers

Overview

Barr's Tungstone is a heavy-duty nymph built to get deep fast, ideal for swift water and deep pools. With a tungsten bead and slim profile, it sinks quickly while still maintaining a buggy silhouette—making it a reliable go-to in high water or fast current conditions.

Related patterns

Behavior & presentation

Natural Behavior
Stonefly nymphs crawl actively across rocky bottoms using powerful legs to grip substrate while foraging. They periodically lose grip in heavy current or during pre-emergence migrations, tumbling downstream in vulnerable drifting posture.
Where Trout Eat It
Fast, well-oxygenated runs and riffles where stoneflies forage on rocky substrate.
How to Fish It
Maintain contact with bottom structure to match natural tumbling drift of dislodged nymphs.
Best Water
Work seams, current breaks, and pockets where stoneflies lose grip and enter the drift.
Strike Type
Watch for indicator dips or line tightening as fish intercept drifting nymphs.

Fishing strategy

Rigging Suggestions
Use a standard nymphing rig with a strike indicator and weight if needed. This fly works well as the point fly in a two-fly setup.
Seasonal Timing
year-round When trout are feeding on mayfly or stonefly nymphs, particularly in deeper water.
Pro Tips
The gold tinsel body of this fly is highly visible in various water conditions. As a nymph, it is intended to sink, and the tungsten bead head helps it get down quickly.
From River & Run

Where to fish it

Rivers anglers pair with this fly, with local shops that stock it.

Open River & Run

River details and fly shops from River & Run, our sister site.

Entomology

Stonefly nymphs crawl actively across rocky bottoms in fast, well-oxygenated water, using powerful legs to grip substrate while foraging on smaller insects and algae. These robust nymphs periodically lose their grip in heavy current or during pre-emergence migrations toward shore, tumbling downstream in a vulnerable, drifting posture. Their large size, meaty profile, and year-round availability make them highly sought-after prey that triggers aggressive strikes from opportunistic feeders.

Order
Plecoptera
Common name
Stonefly
Organism
insect
Life stage
general

Pattern details

  • Moving Water
  • Rocky Mountain
  • dead-drift
  • indicator-nymph
  • baetis-hatch
  • stonefly-hatch
  • guide-fly
  • attractor
  • searching-pattern
  • high-water

Get this fly

Barr's Tungstone, tied and ready to fish

Hook #10 to #14 · Intermediate