South Fork & Henry's Fork Fishing Reports

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Fishing Reports

Jimmy's All Seasons Angler / Fishing Reports (Page 100)

Henry’s Fork 8-12-14

If you fish the Last Chance-Pinehaven reach, your best bet for action is through terrestrial patterns. Mornings offer action from fish seeking spinners, but after that, prospect banks and channels between weed beds with hopper patterns.  This technique, although a bit uncertain, can be educating through learning favorite locations big fish move to for a meal.  Be sure to look for flying ants, because as Mike Lawson offers, fish really key on them during their presence, and even in their absence this time of year. Forget the river below Ashton Dam until we begin the late summer cool down.  Cardiac Canyon waters are best fished with terrestrial patterns or two nymph rigs.


Small Streams 8-12-14

Fished Big Elk Creek up to the slide yesterday. The stream is in great shape with water temps climbing into the low 50s in deg. F by 3 PM. No flavs yet, but caddis and a few PMDs emerged. Best bet now is to fish hopper and ant patterns until flavs decide to emerge.  We hear that McCoy Creek is fishing very well. Nothing really big being caught, but good surface action from fish seeking terrestrial insects. Traditional attractors in small (#14-16) sizes will work, too. Here’s a great place to take a youngster, entry level, or physically challenged person because of abundant roadside access and eager cutts.  Add Palisades Creek to the list of those fishing well (terrestrial and traditional patterns again with a bigger share of caddis life cycle patterns), but it is brushier than McCoy Creek and requires a bit more walking to reach the best fishing.


South Fork 8-12-14

Right at midnight flow out of Palisades Dam was dropped from 11600 cfs to to 10300 cfs. Water temp there is currently 60 deg. F. Give the system a day or two for fish to equilibrate, and the really good fishing will resume.   This is a step-down we must expect this time of the agricultural season, but in the direction of more choices for wading.  We still have a good flow for float fishing.   Look for good riffle fishing from pink alberts and PMDs, hit the banks with big dries because hoppers are plentiful, and do not overlook the big caddisflies emerging near evening.


Still Waters 8-9-14

Not much change in the last week with those low, warm water conditions. This applies to Chesterfield, Daniels, Treasureton, Sand Creek, and Twenty-Four Mile and even Island Park Reservoirs. Your best bet for action is for gulpers on Hebgen Lake.  Or if you do not mind thick weeds, try the channels between them on Springfield Reservoir. Best bet is with dry damsel, speckled dun patterns or  your favorite midge pupa pattern under an indicator.


Henry’s Lake 8-4-14

Consider fishing around creek mouths now. Get to these locations as early as possible, because when word gets out about good fishing there, you will have company.  Some will enjoy crowding your location if you are having luck. Small woolly bugger types, Mity mouse, bead head peacock leeches, olive or gold crystal patterns on an intermediate line will get action going for you.


Small Streams 8-6-14

The cool wet weather we have had for the last few days is just what is needed to sustain good fishing on many small streams. Any that do not have a healthy component of inflow from springs, or have lakes in their drainage are examples. Thus such as the Salt River tributaries, Robinson, Diamond,Beaver, Medicine Lodge, and Canyon Creeks will benefit.  Don’t fish these streams right after a heavy or even moderate rainfall. Wait a day or two for flow to return to near normal, then because time of the year is right, consider presenting terrestrial patterns for the best dry fly fishing.


Henry’s Fork 8-6-14

The river from Ashton Dam downstream  is in the “summer doldrums” now. Go elsewhere unless you try at sunrise or sunset with streamers. The big mayfly hatches are pretty much over in the Pinehaven-Harriman-Last Chance section (except for a few places where springs enter the river) until speckled duns and trico emergences become important.   Your best chances here are with terrestrial patterns. Patterns tied with traditional materials tend to have a more delicate imprint on the surface than those tied with foam or rubber. Thus, be a bit careful when choosing hopper patterns if you will be fishing slower waters.  In sections with faster water and a more broken surface, such as in Cardiac Canyon or around Riverside Campground, this difference is not as significant.


South Fork 8-6-14

Riffle fishing on the South Fork is about as good as it gets, especially on the upper river.  The flow out of Palisades Dam has been a bit over 13000 cfs with water temperatures in the high 50s in deg. F. for weeks. This is the kind of stability that results in consistent insect activity needed for great fishing. Pink alberts and the remaining PMDs are the reasons. Begin in the AM with nymphs, switch to your favorite emerger pattern as the day advances and you see increased rises. Some folks prefer to stick with their favorite emerger pattern, but others later on switch to a dun pattern for the surface.  Fishing the banks is also a good strategy. Hoppers are out and sure to increase, so your favorite pattern should be in that fly box.


Big Lost River 8-2-14

Flow out of Mackay Dam has dropped from a little over 200 cfs to 160 cfs in the last few days. This means easier wading, warmer afternoon water temperatures, less overhead cover, and therefore a greater need for being stealthy and for playing fish quickly.   Some western green drakes remain here, but terrestrial patterns are becoming more effective.  Tricos are yet to be important, but should begin to be such any day now.