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Things have been interesting up at SBC lately, with continually optimal flows of around 80 or so CFS and some big spikes from valve testing in the past week or so. Today, flows look to be taking a substantial dive, but it is always day-to-day with this tailwater. In general, fishing in here is ideal between about 50 CFS - 150 or 200 CFS, but there can even be some excellent dry fly action with small bugs when flows are more like 20-something. If things jump back up to the fall/winter sweet spot of 80 ish, expect light nymph rigs to be the bread and butter, with small dry flies always in play, especially later in the day on warmer days. Like many of our area trout fisheries, primary colder-season hatches in here are midges and small mayflies in the baetis/BWO category. Walker Ranch is also known to harbor a good population of small dark stoneflies, so patterns like the black micro stone, runt stone, and small black copper johns in #16-18 can do great in here as a point fly. Worms and egg patterns will often work in the late fall as well, particularly if flows jump a bit. Small streamers imitating leeches and sculpins can also be fun to throw, though they usually won't pull in the same numbers as nymphing. SBC is pretty much iced up at the inlet above Gross, and the stuff farther upstream is not far from shutting down pretty much entirely for the year, as well.

Report Updated On: 11/18/2019
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The Ultimate Fly Fishing Report
Casting a fly in a tranquil mountain stream, feeling the tug on the line, and holding a beautiful rainbow trout makes us feel alive and intensely connected with nature. Fly fishing is our way of life and we are blessed with hundreds of nearby rivers and streams just a short distance away from Boulder. From the swift spring waters of the Clear Creek to the meandering bends of the South Platte, it's critical to consider fishing conditions in advance and prepare accordingly. We rely on our experienced guides who venture into the wild to let us know which rivers favor fly fishing, where fish are biting, and which fly patterns are most effective. Planning a successful fishing trip also requires knowledge of stream flows at various river points and an accurate weather forecast for a given destination. At Rocky Mountain Anglers, we are dedicated to providing all avid anglers with detailed and timely information about hatches, water, and weather conditions. So before you head out the door on your next fishing adventure, visit our web site to find valuable information that will prepare you for a successful trip. Have fun chasing after your next trophy trout and enjoy nature's beauty!The Rocky Mountain Anglers Crew
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