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Pale Morning Dun (PMD)Dry Flyintermediate

Rocky Mountain West

Pale Morning Dun (PMD)

$2.95

Available Sizes#14 - #20
Color Variations
Pale YellowSulphurRusty

The Pale Morning Dun hatch is the event that turns tailwaters into an obstacle course of rising trout and competing anglers. This fly imitates the sulphur-colored mayflies that blanket the water on warm summer mornings, and the trout eat them with the selective precision of a sommelier choosing wine. You will need a good drift, light tippet, and the patience of someone who has accepted that the first twenty casts are just warm-ups.

Quick Facts

TypeDry Fly
Difficultyintermediate
SeasonsSummer
Target SpeciesRainbow Trout, Brown Trout, Cutthroat Trout
Sizes#14 - #20
Best LocationsHenry's Fork, ID; Missouri River, MT; Green River, UT

Where to Fish It

Henry's Fork

ID · Spring Creek

Missouri River

MT · Tailwater

Green River

UT · Tailwater

Map unavailable. Locations for Pale Morning Dun (PMD): Henry's Fork, ID; Missouri River, MT; Green River, UT

Related Reading

region guide

Rocky Mountain Trout: A River-by-River Guide

The Rocky Mountain West holds the finest trout rivers in North America. From the gin-clear tailwaters of Colorado to the sweeping freestone rivers of Montana, these waters offer everything from technical dry fly fishing to aggressive streamer hunting. This is your river-by-river guide to all of it.

seasonal playbook

The Spring Playbook: First Hatches to Full Send

Spring is the most dynamic season in fly fishing — water temperatures swing daily, hatches emerge in waves, and fish that have been dormant for months begin feeding with increasing urgency. This is your region-by-region playbook for fishing the awakening.

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The Summer Guide: Long Days and Willing Fish

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How Trout See Your Fly: The Science of Color and Light

Trout don't see the world the way we do. They perceive ultraviolet light, detect motion through contrast rather than color, and see a dramatically different fly at ten feet of depth than at two. Once you understand their four-cone visual system, you'll never choose a fly the same way again.

hatch guide

The Complete Guide to Mayfly Hatches

Mayflies are the foundation of trout-stream entomology. This guide covers every major hatch — BWOs, PMDs, Green Drakes, Sulphurs, Tricos, and Hendricksons — with the biology, timing, and fly selections you need to fish them effectively across the country.

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Emerger Patterns: Fishing the In-Between

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technique

Water Temperature: The Master Variable

Water temperature controls everything. Metabolism, feeding intensity, insect emergence, dissolved oxygen, where fish hold, and whether they'll eat your fly. Understanding thermal dynamics across freshwater and saltwater systems is the single most reliable way to predict fishing quality before you even leave the truck.

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Nymph or Dry? The Decision That Changes Everything

Ninety percent of a trout's diet is consumed subsurface. Yet ninety percent of the magazine covers show a dry fly floating on calm water. The decision between nymphing and dry-fly fishing isn't about preference — it's about reading the situation and making the choice that puts your fly where the fish are actually feeding.

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