River Pattern Guide

Best Flies for Firehole River

The Firehole River is one of the most unique trout streams in the world, flowing through the geyser basins of Yellowstone National Park where boiling hot springs and erupting geysers line its banks. T...

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11 recommended patterns

Pheasant Tail Nymph fly pattern
Nymph

Pheasant Tail Nymph

The universal nymph — fooling trout since 1958.

Sizes 12–20

Griffith's Gnat fly pattern
Dry Fly

Griffith's Gnat

The midge cluster pattern that saves the day on flat water.

Sizes 18–24

Klinkhammer Special fly pattern
Emerger

Klinkhammer Special

The curved-shank emerger that hangs in the film like the real thing.

Sizes 12–18

Thread Midge fly pattern
Midge

Thread Midge

Microscopic but mighty — the fly that matches the tiniest hatch.

Sizes 18–26

Blue-Winged Olive Comparadun fly pattern
Dry Fly

Blue-Winged Olive Comparadun

The Comparadun's deer hair fan wing sits flush in the film, presenting a realistic mayfly silhouette

Sizes 16–22

Pale Morning Dun fly pattern
Dry Fly

Pale Morning Dun

The PMD pattern imitates one of the West's most important hatches — Ephemerella infrequens and E. in

Sizes 14–18

Rainbow Warrior fly pattern
Nymph

Rainbow Warrior

Lance Egan's Rainbow Warrior is a flashy midge/mayfly crossover pattern with a pearl Mylar body, red

Sizes 16–22

Quasimodo Pheasant Tail fly pattern
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

BWO Loop Wing Emerger fly pattern
Emerger

BWO Loop Wing Emerger

A CDC loop wing emerger specifically tied to match Blue-Winged Olives. The looped CDC creates a visi

Sizes 18–22

Duracell Jig fly pattern
Nymph

Duracell Jig

A hot-spotted attractor nymph that has dominated European fly fishing competitions for over a decade

Sizes #12–#16

Rusty Spinner fly pattern
Dry Fly

Rusty Spinner

A spent-wing spinner pattern that imitates the final stage of the mayfly lifecycle when egg-laying f

Sizes #14–#20