Sun Valley Area Fishing Report - September 28, 2015

September 28, 2015 / Picabo Angler

Cloud cover means Fall Baetis! Fall Baetis means blanket Baetis covering the rivers. Blanket Baetis covering the rivers means lots of big rising fish for you and me! These little aquatic insects are just one more reason we love the fall in Sun Valley. Low water coupled with this bug brings fish to the surface that otherwise we would not see most of the year.

It also means fish will be moving their feeding lanes to new areas. Anglers need to begin concentrating on the slick water tail-outs of the runs on most rivers. The diminutive size of these little Baetis means the fish need to find calm enough water to maximize their opportunity to eat them, hence spending the hatch times in the back of the pools.

Anglers that fish Silver Creek frequently will find that the skill set they have learned on this spring creek will quickly translate to success on all the area rivers when the Fall Baetis arrives. Fishing 6X tippets is nearly mandatory. Approaching the fish at the right angles and with a good amount of stealth is a must. Finally, having an excellent presentation and a light handed hook set are keys to success. Choose small patterns that you can see well and fish the softest rod you are willing.

The Mahogany Dun has been growing in numbers and regularity on Silver Creek. Expect this to continue, and most importantly be willing to switch your fly back and forth between Mahogany and Baetis Duns readily. The fish you are targeting are going to switch, so switch with them.

The Lower Lost River continues to fish really well. A little Trico activity continues as well as Baetis and Crane Fly activity. The Nymphing has been excellent as well. Fish small and red when Nymphing. A little Black Zebra Midge is also a great choice.

The Fall Baetis on the South Fork of the Boise is one of the highlights of the fishing season around here. It may begin a little later in the season than on our more local rivers, and the fire/slide activity has knocked it back a bit, but it remains a great choice to spend a fall day.

Overall this is a good time of the year to have a lot of excellent Baetis patterns and move around from river to river. The fly selection remains nearly the same on all the local waters, so get out there and experience new rivers, new runs, and enjoy the changing of the seasons!

Happy Fishing Everyone!

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