South Fork & Henry's Fork Fishing Reports

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Fishing Reports

Jimmy's All Seasons Angler / Fishing Reports (Page 20)

Yellowstone Park 9-4-18

 

upper slough (2)

It sure seems like a repeating theme and it applies to all meadow streams in the park. AM trico activity and daytime terrestrial insect activity are the best items for successful fishing. With cooling air temperatures look for fishing on the Firehole River to improve. BWO life cycle and white miller patterns will bring success. The autumn run of browns and rainbows out of Hebgen Lake into the Madison River in the park has begun and will increase as we move through the next two months.   Presenting big soft hackles and streamer patterns are the best way to encounter these fish, and best results will be during overcast conditions.

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Small Streams 9-4-18

 

Bitch Creek 9-25-13

With school now in session, most vacations over, and cooling daytime air temperatures, look for a decrease in recreational floaters and boaters on the Teton River in the basin and even through the canyon. That signals a return to tranquil daytime fishing.  For the river in the basin successful fishing is tied to Early AM trico activity and terrestrial insects during daytime hours. Big attractors (ie chubby chernobyls) will always be effective in the canyon reach this time of year.

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Henry’s Fork 9-4-18

 

Tom Clark.jpeg

Terrestrial insect season is going on up and down the river. Exceptions include AM trico mating-spinner falls and evening caddis activity.  PMD activity is greatly diminished and speckled duns are important only on slow river reaches such as the Flat Ranch and Harriman State Park.  When cloudy days arrive streamer fishing will be more effective during mid-day rather than just around first light and twilight.  Tiny BWO activity on the lower river is several days away.

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South Fork 9-1-18

 

SF With Baldy 2 (640x480)

Flow out of Palisades Dam was reduced to 8550 cfs  (same cfs at Heise, 2770 cfs at Lorenzo) Tuesday. This will make for more walk-in wade fishing locations and increase the mutant golden stonefly emergence.

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South Fork 8-28-18

 

South Fork 4

No change in flow here, currently flow is a bit higher than the average for this time of year, so reduced flows are coming up as irrigation season winds down. Stick to what we suggest in the  8/25/18 report for the South Fork. Mutant golden stones have moved into the lower canyon, but hopper fishing there seems more effective.

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Yellowstone Park 8-25-18

 

upper slough (2)

For all Fall River Basin streams fishing success boils down to presenting trico life cycle patterns during AM hours and terrestrial insect patterns afterwards.  In slower waters speckled dun life cycle patterns can be effective.  Mosquitoes are mostly gone, but horse flies have taken over as top rated pest. Expect fishing success in all meadow reaches to slow during mid-day hours.   Same applies to all such streams in the Park and outside.

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South Fork 8-25-18

 

SF With Baldy 2 (640x480)

Flow out of Palisades Dam has been reduced to a bit over 9000 cfs (  9200 cfs at Heise,  4370 cfs at Lorenzo).  More safe walk in-wade locations are now available, and look for more to become available as flow will continue to drop as irrigation season winds down.  Riffle fishing has slowed a bit. Try #14-16 adams and purple haze in these. With the dropping flow mutant golden stones now coming out on the lower river  (see flow at Lorenzo), especially below the big feeder, should be coming out soon from the river above. Terrestrial patterns will be effective anywhere there is vegetated banks along the river.

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Henry’s Fork 8-25-18

 

coffeepot2

As with our small streams report, anywhere you try the Henry’s Fork be sure to have grasshopper patterns in that fly box these days. Other events attract trout including evening caddis hatches on most of the river, spinner falls, and speckled dun emergences on the slower portions of the river.  But nothing is as totally attractive to trout this time of year as hoppers.    Look out for recreational floaters going through Box Canyon, especially during weekends. Anyone seen any honey ants other than around the Harriman section?

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