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South Boulder Creek

South Boulder Creek has to be one of the most scenic rivers within a half hour of downtown Boulder. This creek starts up in the Indian Peaks near the Moffat Tunnel and gains momentum on its journey towards the cool deep waters of Gross Reservoir. Below Gross Reservoir, South Boulder Creek becomes a great tailwater flowing through the Walker Ranch open space. This area is the most popular section of the creek due to the great hatches and consistent flows through the summer months. The access to this section is fairly easy taking visitors up and over Flagstaff Mountain, onto a dirt road, and into the wilderness.

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.

Latest Guide Report

Fishing Report Date: 12-13-2014

After a long hiatus since late this summer, I finally made it back to S. Boulder at Kayak run before the snow arrived.Flows were still pretty perfect at 80, which makes for easy wading and easy water reading. I started out euro-nymphing with a heavy stone pattern and a charlie’s mysis. The mysis was definitely hot in the first couple of hundred yards below the trail head. I swapped out the stone with a weighted red san juan and got a few hits on that, but nothing to write home about.

There was a pretty solid midge hatch around 1 that had some fish looking up above the walker ranch trail bridge, so I quickly changed over to a double dry setup. A few fell for a size 22 mole fly, and a size 22 Para midge. You just can’t beat dry fly fishing in December!

Once below the bridge I switched back to a euro-rig and picked up a few small fish in the pocket water on a size 16 Egan’s surveyor and a blue poison tung in size 20.

Report Statistics
3/5Time on Water:
Number of Anglers:
Hoook Ups:
Fish Landed:
Weather Experienced

Clear
Temperature: 45
Wind Conditions: Calm
Precipitation: None
Water Observations

Clear
Water Temperature:
Flow Level: 80 CFS
Runoff? Clear
Erik Myhre

Report Submitted By: Erik Myhre


South Boulder Creek Water Flow Graphs

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