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Fishing Reports

Fly Fish Food Jimmy's / Fishing Reports (Page 7)

Main Stem Snake River, September 7th, 2024

At Freeman Park

Presenting streamers in the evening is becoming productive along the river. One of the most convenient locations to do this is at the river at Freeman Park in Idaho Falls. There are openings for casting along the paved trail that parallels the river and above the park around the railroad trestle. Careful wading or from the bank can get you to good holding water, but be aware that strong, tricky currents are present as one approaches middle of the river.

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Henry’s Fork, September 4th, 2024

At about 550 cfs is coming out of Island Park Dam, so flow in the river below is about two-thirds of normal. That means the Last Chance-Harriman reach demands stealth, long leaders and fine tippets.  This finest of equipment makes it tough on fish played to possession then released no matter how cool the water.  The bigger the fish the tougher it is for them to recover from being caught and played when fine leaders and tippets are used. So take all the time needed to revive them.  Don’t forget those ant patterns!

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Yellowstone National Park, September 4th, 2024

Give the Firehole River a few more days of cool weather. Longer nights will help bring water temperatures back to where there will be less catch and release stress on hosted salmonids.   Northeast corner streams (Slough and Soda Butte Creeks, Lamar River) are at base level flows and have many visiting fly fishers. Stealth is required on these three meadow streams for any measure of fishing success. As with so many streams in the area, flying ants are now a top insect for foraging trout.  These comments also apply to Fall River Basin streams except that a lot fewer fly fishers are in attendance.    

Flies to fish:                                                   

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Southwestern Montana, September 4th, 2024

Ant patterns are the way to great top water fishing just about everywhere. That includes Hebgen Lake where callibaetis and tricos are not as numerous as during a few weeks ago. 

Centennial Valley streams are at base level, meaning low flows, cooler nights, and less daylight. These will tell resident cutthroat trout and grayling the time to head back to Upper and Lower Red Rock Lakes is coming. Elk Lake will continue to offer good fishing for west slope cutts for weeks to come.  Concentrate your fly fishing efforts along vegetated shorelines where ants and hoppers are around.

Flies to fish:

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Main Stem Snake River, August 31st, 2024

Well Fed Main Stem ‘Bow

Time to consider the Main Stem for some good fly fishing! Water flow is almost ideal.True, there is no big stone fly activity and may fly activity is mostly limited to BWOs during the fall emergence peak, but caddis activity is plentiful. There are many locations for walk-in-wade access from the Henry’s Fork confluence on down to American Falls Reservoir. The Idaho Falls Fish and Game office and we at Fly Fish Food Jimmy’s can pinpoint some for you. In particular, streamer fishing does nothing but improve throughout the river as we advance into the fall season. Trophy sized brown, cutthroat and rainbow trout stay in the deep during daytime, but by evening they range out to forage, and a well placed streamer pattern of choice could bring you a best fish of the season.

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Small Streams, August, 2024

Lower Teton River

The Teton River rates as our best small stream for fishing from a boat or a flotation device. The river in the basin comes to mind first for hard sided boats and flotation devices, but it can be “loved to death.” .Flotation devices, large and small, are best for float fishing through the canyon, but on leaving the canyon, hard sided boats revive as a good choice These can be launched from a number of locations from Spring Hollow, the Teton Dam site and the Hog Hollow bridge site on down. With the fall mayfly emergence peak coming (BWO, mahogany dun, speckled dun, remaining tricos) and great bank side terrestrial insect populations and much fewer anglers than the larger rivers, the Teton River is a local fly fishing treasure.

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Henry’s Fork, August 31st, 2024

Flying ants

Cooler nights and less daylight will help bring the lower river around to water temperatures more suitable for lower river trout to survive the rigor of catch and release. September is perhaps the most pleasant month to fish anywhere on the river. Fewer anglers are present.The fall mayfly emergence peak, PM caddis activity, and terrestrial insect (especially flying ants!) population make top water fishing wonderful. Presenting streamer patterns during low light conditions on the lower river, Box Canyon or the Tubs will become increasingly effective the further we move into autumn.

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South Fork, August 31st, 2024

After this weekend, look for reduced boat traffic on the river as folks return to school or wrap up vacations. But look for an increase in mahogany dun and BWO activity and a sustaining bank side terrestrial insect population.. The river has a lot to offer this time of the year besides good fishing. There is increased tranquillity, better chances for solitude and usually fine weather. Even though Palisades Reservoir is about two-thirds full, water conditions on the river could not be better. 

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