River Pattern Guide

Best Flies for Beaverhead River

If you dream of tangling with a truly large brown trout, the Beaverhead River in southwestern Montana is the place to be. Running approximately 70 miles from Clark Canyon Dam near Dillon to its conflu...

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12 recommended patterns

Nymph

Hare's Ear Nymph

Buggy, messy, and irresistible to every trout in the river.

Sizes 10–18

Nymph

Deep Sparrow Nymph

A heavy tungsten jig nymph with a dubbed body and CDC collar that imitates a range of small mayfly n

Sizes 14–18

Nymph

Walt's Worm

Walt Young's deceptively simple nymph uses hare's ear dubbing on a curved hook to imitate caddis lar

Sizes 12–16

Nymph

Mop Fly

The Mop Fly — made from a strip of chenille mop material on a jig hook — is the most controversial a

Sizes 10–14

Nymph

Flashback Hare's Ear

The Flashback variant adds a strip of pearl tinsel over the wing case of the classic Hare's Ear, pro

Sizes 12–18

Nymph

Quasimodo Pheasant Tail

A Czech-style Pheasant Tail variation tied on a curved scud hook with a pronounced hump-back profile

Sizes 12–18

Nymph

Sexy Walt's Worm

A modernized version of Walt's Worm with a UV dubbing body and a glass bead for subtle weight and tr

Sizes 12–16

Nymph

Scud

The Scud imitates Gammarus and Hyalella amphipods — crustaceans that thrive in weed beds on tailwate

Sizes 12–18

Nymph

Tungsten Torpedo

A heavy, streamlined Euro nymph with a smooth thread body under UV resin and a large tungsten bead.

Sizes 10–14

Wet Fly

Leadwing Coachman

The Leadwing Coachman is a traditional wet fly with a peacock herl body and dark slate wings that ha

Sizes 12–16

Nymph

CDC Pheasant Tail

A refined variation of the Pheasant Tail Nymph that replaces the wing case with a CDC feather puff f

Sizes #16–#20

Nymph

Czech Nymph

The pattern that launched the tight-line nymphing revolution. Developed by Czech competition anglers

Sizes #8–#14