South Fork & Henry's Fork Fishing Reports

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Yellowstone Park

Jimmy's All Seasons Angler / Yellowstone Park

Yellowstone Park 9-11-18

fallriver (2)

If you are a dry fly enthusiast, presenting hopper patterns is the way to success especially on any Park meadow stream. Watch the Park weather reports before you venture to the northeast corner. Recent storms have discolored the Lamar River. Slough and Soda Butte Creeks are less likely to discolor, but they too can become quite crowded at or near roadside locations.  At the southwest corner of the park you will not find crowded fishing on Fall River Basin streams, and they are unlikely to discolor.  AM trico activity compliments the daytime use of hopper and other terrestrial insect patterns there. The Firehole River is cooling off, and BWO life cycle, terrestrial insect, white miller, and soft hackle patterns will work and do so even better during stormy periods.  If you are a streamer enthusiast, the Madison River is now hosting run-up browns and ‘bows from Hebgen Lake. Best times to encounter them is during low light periods.  Are you looking for a small stream that offers fast action? Try Obsidian Creek or any other stream in the upper Gardner River drainage.  Are you looking for the best still water fishing in the Park? Nowhere beats Beula Lake this time of year where small leech, small beadhead nymph and cinnamon caddis patterns bring action.

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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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Yellowstone Park 8-18-18

Mtn Ash

On all waters cloudy skies  with high relative humidity make for the best mid-day fishing this time of year. On meadow streams a repeating theme applies: given bright atmosphere conditions mid-day fishing is not as successful as early in the day or evening fishing.  Patterns for spinner falls and terrestrial insects can be most effective during these times of day, and as we advance through fall months streamer patterns become important in attracting larger trout.

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Yellowstone Park 8-7-18

Mtn Ash

Consistent and somewhat higher that normal flows in Fall River Basin streams ( Bechler and Fall Rivers, Boundary, Mountain Ash and Proposition Creeks) means that good fishing should result here for the rest of the Yellowstone Park fishing season. Other than AM trico activity (seems to turn off, like on command, just about noon), some speckled duns and later a few mahoganies blown in from faster waster below are what remains of  the extensive late June-early July mayfly activity.  Now until killing frosts arrive, is the time to concentrate on presenting terrestrial insect patterns.   Doing so will seem obvious to the fly-fisher that ventures through meadows to reach water. Presenting these patterns in the proper manner is more important than pattern selection. That means presenting to the far bank or downstream, both through a slow drift.  For sure, you will not experience crowding and early season mosquitoes swarms are much diminished.  Deer and horseflies, however, reign supreme, so dress accordingly.

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Yellowstone Park 7-28-18

Boundary Creek

Slough Creek, Soda Butte Creek, and Lamar River are shaping up with green & gray drake and PMD emergences. Terrestrial insects populations are growing to numbers that will attract fish. Fish are looking for these insects, and fly-fishers are looking for fish. Expect company when you fish these beautiful waters, so courtesy may be needed.  These waters are physically similar to Fall River Basin waters in the southwest corner of the park. A major difference is that much of the best water in Lamar River and Soda Butte Creek is roadside, whereas the best waters in Fall River Basin streams are remote.  That’s enough to show why Fall River Basin streams, of at least the same fishing quality, are much less visited.

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Yellowstone Park 7-17-18

 

 

Bechler Meadows

Warm weather means giving Firehole River resident salmonids a break from the rigors of being hooked and played in warming waters.  Try the nearby Madison or Gibbon Rivers where PMDs, yellow sallies, and afternoon caddis activity are interesting trout.  Big salmonflies have pretty much left the Gallatin River within the park, but terrestrial insect populations are building and caddis are always active during PMs.  Slough Creek and the Lamar River are shaping up with PMD, evening brown drake, and caddis activity interesting trout.  Fall River Basin streams are reducing to base level flows, terrestrial insect populations are building but mosquitoes are still the most numerous insect.

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Yellowstone Park 6-9-18

 

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Run-off waters are receding, but have a way to go yet on many streams.  The Firehole is fishing quite well with PMD and caddis life cycle patterns producing.  One of the best patterns to use here is a partridge and olive or partridge and orange soft hackle, size 12-16.   These are great emerger patterns for caddisflies and mayflies. Be sure to have some in that fly box! White miller emerger patterns will also work well. Also be aware of new closures to protect thermal features along the river.  Shoshone and Lewis Lakes are in good fishing shape, but be aware that trails are in soggy conditions with some snow remaining.  Best fishing on both will be from boats and when streamer and leech patterns are presented. Duck Creek is fishing well or nice rainbows. The meadow is wet and mosquitoes are out in good numbers as is the case in just about anywhere in the park.

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Yellowstone National Park 5-29-18

Lewis R. channel.jpg

All streams in the park, including the Firehole River, are high.   The Ashton-Flagg Road is open to the Jackass Loop just beyond the South Boone Creek crossing.  This prevents access to Fall River in the Park  where water is high with run-off and likely not offering good fishing.  It is likely that this road will not open for about another month for those folks wanting access to Beula Lake and upper Fall River.

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Yellowstone National Park 5-19-18

 

matt nielson

Yellowstone National Park fishing licenses and regulations arrived in the shop today. If you intend to fish in the park during the Memorial Day weekend opening, the Firehole River will likely offer the best fishing, but expect company. Bring BWO, soft hackle (partridge and olive), and caddis life cycle patterns and small nymph patterns with and without bead heads.  Some Hebgen Lake run-up rainbows remain  in the Madison River after spawning. These fish will take streamer patterns swung deep, and some of the best places to encounter them will be from the Barns Holes downstream to Baker’s Hole.

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