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Fishing Reports

Fly Fish Food Jimmy's / Fishing Reports (Page 61)

Yellowstone Park, September 20, 2022

Browns and rainbows are losing interest in being Hebgen Lake gulpers to staging around tributaries for the fall spawning run. Soon it will be a contest on the Madison as to whether there are more fish than fly fishers present as the fall spawning run has begun. The more numerous spawning run of Lewis River brown trout into the channel between Shoshone and Lewis Lake and below Lewis Lake is also beginning. So presenting streamer patterns of various types is becoming the name of the game on these Park waters.

With cooling weather, look for fishing on the Firehole River to improve much to the delight of top water fly fishers using BWO, white miller and soft hackled patterns.

Plenty of terrestrial insects remain in the meadow reaches of Fall River Basin streams, and this will be the case until a killing frost occurs. Waters here are at base level and ultra clear, so a studied approach with essentially no wading is required for success.

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South Fork, September 20th, 2022

Flow out of Palisades Reservoir continues to drop (now about 6160 cfs at Irwin, 6360 cfs at Heise, 3700 cfs at Lorenzo) to normal for the season as downstream irrigation demands diminish. The same can be said for number of anglers, but walk-in wade locations are increasing. Riffle and drop off fishing with BWO and Mahogany dun life cycle patterns has been productive, and even though they are diminishing greatly, some mutant golden stone flies emerge during early hours.

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Still Waters, September 20th, 2022

Currently Daniels Reservoir seems to be the ” star of the still water show” in our area. With cooling weather, fish are moving from depths to shallower water where midge activity is ongoing and leeches and scuds occupy vegetation. Thus there could be two strategies for success: indicator fishing with midge life cycle patterns to find the taking depth or intermediate line use to probe leech, scud and fly rod jig patterns around submerged vegetation.

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Henry’s Fork, September 20th, 2022

The Henry’s Fork features many famed locations. These tend to overshadow lesser known sections. The Tubs area is a location that takes a back seat to famed locations because its best fishing is seasonal and begins now. Most recreational boating from Big Springs to Mack’s Inn has ended, and trout migrating downstream from the Flat Ranch area reside in the deep holes here. As autumn advances these trout, as well as residents, become increasingly interested in streamer patterns. So sink-tip lines and stout leaders are in order. Very large whitefish ( stiffies) are present and are always feeding on midges. If you own a smoker and are looking to stock it, The Tubs offers stiffies ranging up to near three pounds. For sure, midge life cycle patterns will interest them.

Headlines from Dr. Rob Van Kirk’s Henry’s Fork drainage water status report compiled yesterday follow:  

  • Well above average temperatures returned yesterday; mean temperature for September so far is 5 degrees above average.
  • Natural flow stayed relatively constant yesterday and is 74% of average.
  • Island Park Reservoir is 45% full, compared with 46% full on average. Outflow will be decreased again today to around 350-400 cfs.
  • Water quality: Turbidity at Island Park Dam decreased yesterday and is back below 5 turbidity units this morning, about average for this time of year.

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South Fork, September 17th, 2022

Flow out off Palisades dam has been ramped down over the last several days ( about 8700 cfs at Irwin, 8900 cfs at Heise, 5600 cfs at Lorenzo).. It is now approaching normal for this time of the season. So is may fly activity with BWOs and mahogany duns being active. Add terrestrial insects still around in good numbers and the same with caddis flies, and the river offers great top water fishing. With more low light conditions around, streamer fishing is also very good. Presenting nymph patterns at the heads and tails of riffles also produces. Fishing is as good as it gets on the South Fork.

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Still Waters, September 10th, 2022

Aldous Lake

Still waters, and irrigation reservoirs in particular, are at the top of the list of waters needing a change in the weather to cooler conditions. For example, when irrigation draw-down increases water temperature into the seventy degrees Fahrenheit range, fish caught and released have a diminished chance of survival. The same can happen in shallow natural still waters especially during unseasonably warm weather such as we have just experienced.

There are a few still waters that appear to escape this warming and they are mostly a higher elevations. Local examples include, Aldous Lake and Paul’s Reservoir, and each now offers good fishing. Aldous Lake is a mile and a quarter walk from its trail head and is best fished through using a packed in flotation device,. A decent gravel road goes to Paul’s Reservoir, and it an be fished from the shoreline. Yellowstone cutthroat trout inhabit both these still waters. .

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Small Streams, September 10th, 2022

In most head water streams fish are now moving to larger water to find better overhead cover. Large beaver ponds that offer generous depth are also havens for fish, and even this time of the season can offer good fishing. Leach patterns are always effective in these ponds, and terrestrial insect patterns can be the same.

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Southwestern Montana, September 10th, 2022

Some gulpers remain active on the Madison Arm and along west shoreline bays of Hebgen Lake. Presenting terrestrial insect patterns remains “the name of the game” on the Madison River and the same for the Gallatin River. A few Hebgen Lake browns and rainbows are moving up into the Madison River making streamer fishing effective. Now is a good time to try for these fish because as their numbers increase, so will the same for of anglers trying for them.

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Henry’s Fork, September 10th, 2022

Cooling and upcoming unsettled weather is just what is needed to bring back daytime action on the lower river. BWO and mahogany dun activity will be on the increase, and barring a killing frost, hoppers and other terrestrial insects will continue to attract trout and steamer patterns will be effective during low light conditions. Until killing frosts take place presenting terrestrial insect patterns is a best straregy for fishing the entire river

On the upper river, Box Canyon will begin producing some great streamer fishing to go along with good results from presenting large nymph patterns, and the same can be expected in the Tubs area below Big Springs.

About a week ago flow out of Henry’s Lake was reduced to around 35 cfs from around 150 cfs. That action will move larger fish out of the Flat Ranch reach of the river and into the river above Mack’s Inn. Look for many of those fish to reside in the Tubs area of the river.

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