South Fork & Henry's Fork Fishing Reports

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Big Lost River

Jimmy's All Seasons Angler / Big Lost River (Page 2)

Big Lost River 5-2-15

The days of easy wading in the Big Lost River below Mackay Dam are over for a while. Early yesterday flow out of the dam was raised from just under 100 cfs to 573 cfs.  Now the best way to fish here is to float through. We’ll keep up on when the river returns to a flow safer for wading.

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Big Lost River 4-25-15

Flow out of Mackay Dam remains at just under 100 cfs.  Could increase any day now when irrigation demands kick in and put an end to great midge and BWO activity with fish responding.

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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.

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Big Lost River 7-22-14

Flow out of Mackay Dam  is currently about 185 cfs and has been just below 200 cfs for several days now. This is a great flow for not only good wading conditions in the river below, but also enough to provide good cover for trout residing there.  Look for PMDs, afternoon flavs, and evening caddis activity to attract trout into a feeding mode. So bring life cycle patterns for all of these, plus traditional dry and wet attractors.

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Big Lost River 5-17-14

On May 15th the flow out of Mackay Dam increased from 90 cfs to 500 cfs!  That increase put the “kibash” on easy wading in the river below.  It will also make for tough fishing.

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