River Pattern Guide

Best Flies for South Fork of the Boise River

The South Fork of the Boise River is Idaho's most productive tailwater trout fishery, flowing through a remote, forested canyon below Anderson Ranch Dam in the Boise National Forest. This cold, clear ...

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11 recommended patterns

Parachute Adams fly pattern
Dry Fly

Parachute Adams

The most versatile dry fly ever tied.

Sizes 12–20

Elk Hair Caddis fly pattern
Dry Fly

Elk Hair Caddis

The tent-wing dry fly that revolutionized caddis fishing.

Sizes 12–18

BWO Parachute fly pattern
Dry Fly

BWO Parachute

The essential hatch-matcher for every Blue-Winged Olive event.

Sizes 16–22

Humpy fly pattern
Dry Fly

Humpy

The Humpy is an indestructible attractor dry fly built for fast pocket water. Its deer or elk hair s

Sizes 10–16

Callibaetis Cripple fly pattern
Dry Fly

Callibaetis Cripple

This cripple pattern imitates a Callibaetis mayfly that failed to fully emerge from its shuck — stuc

Sizes 14–16

Pat's Rubber Legs fly pattern
Nymph

Pat's Rubber Legs

Pat's Rubber Legs is a large, heavily weighted stonefly nymph pattern with rubber legs that pulse an

Sizes 4–10

Partridge and Orange fly pattern
Nymph

Partridge and Orange

The Partridge and Orange is a traditional soft-hackle wet fly dating back centuries on English river

Sizes 12–16

Squirrel Nymph fly pattern
Nymph

Squirrel Nymph

Dave Whitlock's Squirrel Nymph uses fox squirrel body hair and tail as dubbing for a buggy, all-purp

Sizes 10–16

Soft Hackle Hare's Ear fly pattern
Wet Fly

Soft Hackle Hare's Ear

A Hare's Ear body with a soft Hungarian partridge hackle collar, designed to be swung across and dow

Sizes 12–16

Blowtorch fly pattern
Nymph

Blowtorch

A flashy attractor nymph that combines a bright hot spot with a dark body to create maximum contrast

Sizes #12–#16

Tungsten Jig Hares Ear fly pattern
Nymph

Tungsten Jig Hares Ear

The classic Hares Ear profile reimagined on a modern jig hook with a heavy tungsten bead for Euro ny

Sizes #12–#18