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Dry fly · Brown Trout

9.5-Foot Heavy-Butt Trout Leader, 3X

A 9.5-foot trout leader with a heavy butt, built to turn over big, wind-resistant dries on 5-7 wt rods. Nearly half its length is a 48 inch .026 inch butt, which then steps through 18 inches of .019, 10 of .017, 8 of .015, 6 of .013 and 6 of 1X (.010 inch) to an 18 inch 3X tippet. It pushes hoppers, stoneflies and big attractors out in the wind and lays them down straight.

BBy BarblessOctober 15, 2026

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.026"
.019"
.017"
.015"
.013"
~11.5 lb1X.010"
~8 lb3X.008"
BUTT · 48"
TAPER · 18"
TAPER · 10"
TAPER · 8"
TAPER · 6"
TAPER · 6"
TIPPET · 18"
Total length9' 6"
Rod5-7 wt
Flies1
Knots7
WaterFreestone river, Big river

Drag the drawing to pan. Tap a fly for what it does, a knot for how to tie it.

Build your leader

9' 6" of line · 7 pieces · Butt to tip

Butt .026"234563X

Tie it

0 of 7 done

These are the finished lengths. Leave extra for tying each knot.

How to tie it

  1. Build the tapered leader

    Join the 48" butt to the 18" mid with a double uni knot. Add 10" of .017" with a blood knot. Add 8" of .015" with a blood knot. Add 6" of .013" with a blood knot. Add 6" of 1X with a triple surgeon's knot. Add 18" of 3X with a triple surgeon's knot.

    Tie a double uni knotTie a blood knotTie a triple surgeon's knot

  2. Tie on the fly

    Tie the fly to the 18" tippet with an improved clinch knot.

    Tie an improved clinch knot

The knots

  • Double uni knot · 5 turns×1
    1. Overlap the two lines by about six inches.
    2. With one tag, form a loop over both lines and wrap through it around both lines five times. Snug it.
    3. Repeat with the other tag, wrapping the other way.
    4. Pull the two standing lines to slide the knots together. Trim both tags.
    The double uni knot, step by step
  • Blood knot · 5 turns×3
    1. Overlap the two ends by about six inches.
    2. Wrap one tag end around the other line five times, then bring it back and pass it between the two lines where they cross.
    3. Wrap the other tag end five times the opposite way and pass it back through the same opening from the other side.
    4. Wet the knot and pull the two standing lines steadily until the wraps seat. Trim both tags close.
    The blood knot, step by step
  • Triple surgeon's knot · 3 turns×2
    1. Lay the new line alongside the end of the leader so they overlap about six inches, the ends pointing opposite ways.
    2. Holding the two lines as one, tie an overhand knot, passing the whole new piece through the loop.
    3. Pass the same ends through the loop twice more, three times in all.
    4. Wet it and pull all four ends evenly to seat the knot. Trim the tags.
    The triple surgeon's knot, step by step
  • Improved clinch knot · 5 turns×1
    1. Pass the tippet through the hook eye and pull about five inches through.
    2. Wrap the tag around the standing line five to seven times.
    3. Pass the tag through the small loop just above the eye, then back through the large loop you just made.
    4. Wet it and pull the standing line so the wraps snug down against the eye. Trim the tag.
    The improved clinch knot, step by step

When and how to fish it

Use it on windy days and with bulky flies: hoppers, stoneflies, big attractor dries and foam patterns. Cast upstream or across, let the leader straighten, then mend and dead drift the fly along banks, riffles and seams. The stiff butt carries the cast, so a smooth stroke is enough to turn the fly over.

If the fly lands hard and spooks fish in calm water, add 18 to 24 inches of 4X below the 3X tippet. The longer, finer tip softens the landing without losing the turnover.

Common questions

  • Why such a heavy butt?

    A 48 inch .026 inch butt is stiff enough to carry energy from a 5-7 wt line all the way to a bulky fly, so it turns over into wind.

  • Why a double uni knot at the first join?

    The jump from .026 to .019 inch is too big for a blood knot to seat. A double uni knot holds lines of very different diameters.

  • What flies suit it?

    Hoppers, stoneflies, big attractor dries, bushy caddis and foam patterns. For small mayflies, add a finer tippet.

  • Can it fish finer than 3X?

    Yes. Tie 18 to 24 inches of 4X below the 3X tippet for smaller dries or spooky fish.

Brown TroutRainbow TroutCutthroat TroutDryFreestoneBig river

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