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Nymph · Rainbow Trout

All-Purpose River Mono Rig, 5X

A tight-line mono rig sized for rivers. It runs 300 inches of 20 lb Maxima Chameleon, a 24 inch step of 10 lb Chameleon, 12 inches each of 0X and 1X fluorocarbon, then a 14 inch sighter of Cortland bi-color indicator mono. A 4 mm tippet ring below the sighter holds 36 inches of 5X fluorocarbon to a tungsten jig nymph.

BBy BarblessOctober 15, 2026

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20 lb.017"
Maxima Chameleon
10 lb.012"
Maxima Chameleon
~13 lb0X.011"
~11.5 lb1X.010"
9 lb1X.010"
Cortland Indicator Mono Leader Material - Bi-color
~4.5 lb5X.006"
BUTT · 25 FT
TAPER · 24"
TAPER · 12"
TAPER · 12"
SIGHTER · 14"
TIPPET · 36"
Total length33' 2"
Flies1
Knots7
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

33' 2" of line · 6 pieces · Butt to tip

Butt 20 lb234Sighter5X

Tie it

0 of 6 done

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

How to tie it

  1. Build the tapered leader

    Join the 25 ft butt to the 24" mid with a triple surgeon's knot. Add 12" of 0X with a triple surgeon's knot. Add 12" of 1X with a triple surgeon's knot. Add 14" of 9 lb with a triple surgeon's knot.

    Tie a triple surgeon's knot

  2. Add the tippet ring - heavy

    Tie the tippet ring - heavy to the 14" sighter with an improved clinch knot. Tie 36" of 5X to its other eye with an improved clinch knot.

    Tie an improved clinch knot

  3. Tie on the Tungsten Jig Pheasant Tail

    Tie the Tungsten Jig Pheasant Tail to the 36" tippet with an improved clinch knot.

    Tie an improved clinch knot

The knots

  • Triple surgeon's knot · 3 turns×4
    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×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

Use it in riffles, runs and pocket water on freestones and tailwaters. Cast the jig upstream, lift the rod so the fly line and most of the mono stay off the water, and lead the fly downstream at about the speed of the current. Watch the bi-color sighter and set on any pause, twitch or sideways move. Match the bead size to the depth before changing anything else.

Rebuild the 5X fluorocarbon off the tippet ring when it gets short, so the sighter stays above the water and the taper above it keeps its length.

Common questions

  • Why a 300 inch butt instead of a longer one?

    Rivers ask for a bit more reach than small streams, and 300 inches of 20 lb Chameleon gives a casting line that turns over the jig at range while still staying off the water.

  • Why 5X fluorocarbon?

    5X lets a size 16 tungsten jig sink fast and look natural in clear water, and fluorocarbon cuts through the surface faster than mono.

  • Do I need split shot or an indicator?

    No. The tungsten jig carries the weight and the 14 inch bi-color sighter shows the take. If the fly is not touching bottom, tie on a heavier bead.

  • Why step through 0X and 1X fluorocarbon?

    The 12 inch pieces of 0X and 1X carry the taper from the 10 lb mono to the sighter in small even steps, so the leader turns over smoothly.

Rainbow TroutBrown TroutCutthroat TroutNymphEuroFreestoneTailwater

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