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
Flats, runs, backeddies: standard dry fly
Dun
Flats, runs, backeddies: standard dry fly
► Cloudy, drippy weather stimulates the ubiquitous blue-winged olives. If it's sunny, look for them in areas where shadows fall on the water.
► Nymphs can be productive before, during, and after a blue-wing hatch, and even when there is no hatch that day.
Emerger
Bankwater, backeddies, slow runs: standard dry fly
Dun
Bankwater, backeddies, slow runs: standard dry fly
► The mahoganies will taper off and not be much of a factor by mid-month.
► These mayflies migrate to slow water before emerging, and hatches usually take place in the slow margins of the river. Trout are in no hurry to sip the duns, and rises are usually lazy, head-and-tail affairs. Because the action is in quiet water, your approach and casts need to be stealthy. The best strategy is to wait until you see a rise, then cast to that trout. Blind casting usually just puts the fish down. Let your cast settle gently on the water and avoid lining the trout. You may need a downstream presentation.
Pupa
► Trout can be very picky about size and color of the pupa. You may need to swap flies several times to find the right combination. You can speed up this process by fishing two pupa at once and noting which one the trout show more interest in.
► Be prepared for midge hatches in the early morning hours and at dusk.
► When trout are midging, a Sprout Midge or Griffiths Gnat can work well, but a pupa pattern is always a good choice.
Trout
► Remember: the river is closed below the falls.
► By mid-month, you can expect cold mornings and evenings; your best fishing opportunities will be from 11:00 a.m. to 4:00 p.m.
► Early in the month you might encounter size 16-18 caddis. When imitating caddis on the slow sections of this river, use a good slow-water pattern such as the Parachute Caddis.
► Flavs are a possibility early in the month, and you should be prepared just in case you encounter them.
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