Fall River
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Importance by half-month
Super 
Major 
Minor 
Slight 
None
Hatches are matched from Westfly's database of "standard" fly patterns.
Nymph
Emerger
Size 16-18 Sprout Midge, Film Critic, Hackle Stacker. Pale yellow, light brown, or tan body; light wing
Flats, moderate runs, backeddies: standard dry fly
Dun
Flats, moderate runs, backeddies: standard dry fly
► Hatches will be strongest when the weather stabilizes, which is often not until late in the month.
► Trout can get very selective on PMDs, but it's not a difficult hatch to match with a size 18 imitation. Anglers are more likely to imitate the wrong stage: trout will switch from nymphs to emergers to duns, lingering longer on each stage than most anglers expect.
Pupa
Adult
Size 12-18 Goddard Caddis, X Caddis, Parachute Caddis, Elk Hair Caddis. Body: brown, green, dark gray; Wing: tan, brown
Egg-layer
► Look for hatches in the afternoon and evening. Several species are active, so try to match the size and color of whatever is hatching. If you carry adult patterns in size 14 (tan, olive) and size 16-18 (brown or dark gray) you will cover many situations. Throw in some Sparkle Pupas of similar size and color and some size 14-16 brown Soft Hackles; that will cover most caddis situations you will encounter.
Adult
Bankwater near foilage: standard dry fly
Trout
► The hatchery area is pretty and accessible and they dump a bunch of really dumb trout in the water every week. But it is not the only place to fish. Be adventurous and travel into the headwaters, or fish below the falls, or pull into any of the numerous turnouts between the headwaters and the hatchery.
► If you don't see rising fish, forget the dry fly and use a small nymph, such as a size-18 Copper John or Pheasant Tail, drifted near the bottom.
► You can expect to find size 10 black flying ants on the water. Carry imitations.
► Running a streamer pattern through the deep pools is a good June strategy.
► Small worm imitations, such a tan San Juan Worm, may pick up fish if drifted near the bottom--especially if there's an angler wading upstream from you.
► Trout should now be spread throughout the river.
► Be prepared for fussy fish. They see lots of anglers all year, so you may need a 6X or 7X tippet, a 50-foot cast, and a downstream presentation when fishing a dry fly. Not every trout that sees your fly is going to take it; deal with it.
► You might see some cream-colored caddis this month. An X Caddis is a good choice for this river.
Confluence Fly Shop 541-678-5351
Fly and Field Outfitters 541-318-1616
The Fly Fisher's Place 541-549-3474
The Hook 541-593-2358
Sunriver Fly Shop 541-593-8814