South Fork & Henry's Fork Fishing Reports

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Big Lost River

Jimmy's All Seasons Angler / Big Lost River

Big Lost River, October 17th, 2020

Flow out of Mackay Dam is down to 51 cfs. This is really quite low for the river here and will concentrate fish into deeper water and make for easy wading.  BWO activity is ongoing during afternoons and hoppers are pretty much gone for the year. So resort to presenting BWO life cycle patterns and drifting small nymph and streamer patterns into the heads of deeper holes and runs.  Be ready for “brisk” weather.

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Big Lost River, October 3rd, 2020

 

Big Lost

With flow (220 cfs ) just about where it should be below Mackay Dam, wading is safe. Afternoon BWO, all day midge and some hopper activities are attracting resident brook and rainbow trout.  Small nymph patterns, with and without a bead head, will always produce here. Look for cool mornings, but afternoons will be as comfortable for fishing as it gets.

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Big Lost River, July 11th, 2020

 

Big Lost

Flow below Mackay Dam has been around 350 cfs for weeks. That makes for stability. Now is the time of year when golden stones and western green drakes activities take place in the river.  Most folks coming from over from Sun Valley will be fishing the river above the reservoir.

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Henry’s Fork, June 2nd, 2020

Most boat traffic now is on the Warm River to Ashton section of the river. But the most fish responding to the stone fly hatch is from Riverside Campground down to Bear Gulch with activity in Box Canyon coming on.  Look for boat traffic on these sections to be on the increase.   Give the lower river some more days before fish there begin looking for stoneflies again after digesting those from the early days of the hatch.  Fall River is putting in much run-off water. This will impact fishing below Chester Dam in the negative.

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Big Lost River, May 26th, 2020

With 211 cfs coming out of Mackay Dam, wading the river below is safe. If you want to avoid crowds such as on the Henry’s Fork and Henry’s Lake, the river here is a good choice with rainbows and an occasional brookie responding to PM BWO and all day midge activity.

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