Euro nymph · Rainbow Trout

Standard Euro Nymphing Mono Rig

A long mono rig for tight-line euro nymphing. A 144" butt of 20 lb Maxima Chameleon (.017") is blood-knotted to a 36" Sunset Amnesia sighter (12 lb), then an 18" transition of 12 lb Cortland mono (.013"). That runs to a 2 mm tippet ring, then 48" of 5X fluorocarbon (.006") to a #16 tungsten bead Perdigon. The thin mono butt lets you hold the line off the water and watch the sighter for strikes, and the weighted fly gets itself down without shot or an indicator.

BBy BarblessOctober 15, 2026

20 lb.017"
Maxima Chameleon
12 lb.013"
Sunset Amnesia
12 lb.013"
Cortland Monofilament Nylon Leader Material
~4.5 lb5X.006"
BUTT · 12 FT
SIGHTER · 36"
TAPER · 18"
TAPER · 48"
Total length20' 6"
Flies1
Knots5
WaterFreestone river, Tailwater

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

Build your leader

20' 6" of line · 4 pieces · Butt to tip

Butt 20 lbSighter35X

Tie it

0 of 4 done

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

How to tie it

  1. Build the tapered leader

    Join the 12 ft butt to the 36" sighter with a blood knot. Add 18" of 12 lb with a blood knot.

    Tie a blood knot

  2. Add the tippet ring - light

    Tie the tippet ring - light to the 18" transition with an improved clinch knot. Tie 48" of 5X to its other eye with an improved clinch knot.

    Tie an improved clinch knot

  3. Tie on the Tungsten bead Perdigon

    Tie the Tungsten bead Perdigon to the 48" tippet with an improved clinch knot.

    Tie an improved clinch knot

The knots

  • Blood knot · 5 turns×2
    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
  • Improved clinch knot · 5 turns×3
    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

Fish it in riffles, pocket water and runs about knee to chest deep. Make short upstream casts, lift the rod so only the tippet and a little sighter touch the water, and lead the fly downstream just a bit faster than the current. Keep the sighter in view at a steady angle. Set the hook on any stop, twitch or change in its angle. If you never touch bottom, go to a heavier bead before you lengthen the tippet.

If the sighter keeps sagging onto the water, the rod tip is too low or the tippet is too long for the depth. Raise the rod, shorten the drift, or cut the tippet back toward the ring so the sighter stays off the surface.

Common questions

  • What does the tippet ring do?

    It joins two very different diameters, the .013" transition and the .006" 5X fluorocarbon, which a blood knot would not hold well across that big a gap. Each line ties to the ring on its own with an improved clinch knot. It also saves the leader: when you change flies or break off, you only re-tie tippet below the ring, and the transition stays the same length.

  • Why is there no indicator or split shot?

    This is a tight-line rig. The Amnesia sighter shows the strikes, and the tungsten bead Perdigon carries the weight. An indicator or shot would add slack and drag, which this method is built to avoid.

  • Can I fish this on my regular fly line?

    The rod end attaches to the fly line, but keep the fly line on the reel or barely past the tip guide. The 144" butt plus the sighter is what you cast and hold off the water.

  • How do I fish deeper or faster water?

    Tie on a heavier tungsten fly first. Then add tippet below the ring, a little at a time, so the sighter still sits above the surface while the fly ticks bottom.

Rainbow TroutBrown TroutCutthroat TroutEuroNymphFreestoneTailwater
Explore all
  • I built this rig to get a weighted hex fly down to the lake bottom where trout are waiting for natural hex emergers to rise up the water column. It uses a slip bobber to suspend the fly 12 to 24 inches above the bottom in 15 to 35 feet of water, letting me fish without casting while the fish camp in place before they start moving up to chase the hatch.

    Total length28' 0"
    TechniqueNymph
    Knots4
    Time to tie2min
    CABy Chad Alderson
  • This is my go-to setup for Fall/winter nymphing on the Lower Yuba River. I adjust the weight between AAA, SSG, and AB as well as move the indicator up and down fish varios depths and speeds of water... shallower water lighter weight.

    Total length11' 0"
    TechniqueNymph
    Knots8
    Time to tie3.25min
    HBBy Hogan Brown
  • A long thin mono rig for euro nymphing: 312" of .012" Maxima Chameleon, a 24" sighter of 12" of Umpqua Sighter and 12" of RIO Two Tone Indicator (both .009"), and 48" of 5X fluorocarbon tippet to a tungsten bead nymph. Triple surgeon's knots join the sections. At 384" overall the thin butt does the work a fly line would, with far less sag.

    Total length32' 0"
    TechniqueEuro
    Knots4
    Time to tie2min
    BBy Barbless

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