South Boulder Creek River Report
South Boulder Creek River Report
7-23-2025
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For dries, throw a Ms. Tickle Cripple in BWO, Superman Caddis, Purple Haze, Quill Midge, Micro Chubby, Roza's Red Butt Caddis, Headlight Sally, AR's BWO, Dry Humper, and Slick Midge.
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For subsurface presentations, use a Zebra Midge, Juju Baetis, Tag Perdigon, Rainbow Warrior, BTS Mysis, Pat's Rubberlegs, Walt's Worm, Sow Bug, Simple PTN, SOS Nymph, Aero Baetis, Prarie Doggin' Caddis, 2 Bit Hooker, and a My Gal Sal.
Guide Rating
Weather Experienced
- Wind Conditions: Breezy
- Precipitation: 60% chance of PM showers/storms
Water Observations
- Flow Level: 197 CFS
- Water Clarity: Near crystal clear
About South Boulder Creek Fly Fishing
There is no road following the creek so if you are looking for some solitude this is the spot. The aquatic insect activity in this part of the creek is incredible, it sees hatches of Caddis, BWO’s, PMD’s, Midges and great Terrestrial fishing. South Boulder Creek might be your best chance for a big wild brown in Boulder County. Every year anglers routinely catch browns in excess of 18 inches. The river heads east through some public and private water before dumping into Eldorado Canyon State park. After the plunge pools of Eldorado, the creek mellows out upon entering the flats of Boulder and eventually joins Boulder Creek.