We’re happy to provide another Henry’s Fork update for our Yellowstone fishing friends - though there’s better water in the Park of late.  The weather system forecast this week should help fall hatches. 

This has been a very active bear year - use the standard precautions and be attentive throughout the Island Park and River corridor. 

Flows were lowered again out of Island Park dam on the 1rst - and there’s still some junk (off color water and decaying moss) coming out of the very low reservoir.  Today’s flows are 321 cfs, with the average for today 476 cfs.

The Box Canyon - the Box is still suffering a bit with the silt and debris coming out of the lake; streamers and nymphs are the ticket here, though there’s better water to fish in this system right now.

Last Chance to Harriman - A little better this week with the cooler weather, though you have to get down around Pinehaven for clearer water.  Hatch wise it’s mainly BWOs and Mahoganies, you might see some patchy caddis about, but not many.  Terrestrials (hoppers and small flying ants) have been waning the past few weeks, and should be about done.This is still big boy fishing for the very patient and stealthy.

Riverside CG to Ashton - Possibly the best water on the river right now.  We’d probably approach this with a streamer or streamer / nymph set up at this point, though double nymph rigs play well also.  BWOs and a few Mahoganies are the main hatch players right now.

Ashton and Points Downstream - Fishing better, with stronger BWO / baetis hatches; Streamers will be a decent play early and late, especially on cooler, cloudy days.  We have done well nymphing with the usual stuff here too.

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Flies to Have in the Box:

Dries:  Caddis - EHC, tan, X Caddis, Electric Caddis, HF Gray Caddis, CDC Caddis;  baetis - BWO, Blue Dun, Olive Sparkle Dun, Comparadun, Para-adams; Mahoganies; your attractor package

Nypmhs:  Rubberlegs, brown, black; Beadhead midges, red, olive, brown, black; Copper John, red, copper; Mega Prince; Prince, BH; Lightning Bug, olive, pearl, silver, gold

Terrestials: Hoppers - Grand, Whit, Dave’s, Carnage, Kicking, Hoppinator; Beetles- Fire, Foam, HiVis, Sam’s;  Ants - Chernobyl, ParaAnt, black and cinnamon, CDC Flying ant, black, brown, cinnamon; Epoxy, same colors

Streamers:  Woolly buggers, assorted colors; Sculpins - Coneheads, Sheilas; Zonkers, olive; Slump Busters, olive; Double Bunnies, white; Leeches, BH peacock

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