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South Platte River - 11 Mile Canyon

Report Date: 06/20/2013
  • Great South Platte Tailwater

    Reporter: Trout's Staff

    Flow Conditions:

    Water Clarity: Clear

    Current Fishing Conditions:

    June Fishing Report

    With flows hovering just around 170cfs, 11-Mile Canyon should be fishing great for the foreseable future.  There should be consistant hatches of BWO's, Midges, Caddis and small Stones which will  have the fish feeding.  Attractor patters like Stimulators, Royal Wulffs and Humpy's will also work well, particularly as the fish begin to see bugs consistantly on the surface.  Nymphing will continue to be a productive method of fishing, primarily during midday when bug activity slows.  Mornings and evenings will offer the best dry fly fishing as air temps will be the coolest during this time of day.  Riffles and faster moving water will be ideal spots to fish, especially when bugs are hatching.

    6/20/13 Update:  flows remain good coming out of 11-Mile reservoir, and we don't expect to see things change much in the near future.  Fishing will remain productive just remember to focus your time on the water to early mornings and late evenings for the best results.  If you want to fish during the middle of the day, focus your efforsts on the upper river where water temps are a bit cooler.

    Insects and Natural Food Sources

    Little Black Micro Stoneflies, caddis and terrestrials will make up a majority of fish's diet.  

    Recommended Flies

    Parachute Hopper 12-16, PMX 12-16, Amy's Ant 12-16, Stimulators 12-16, Parachute Caddis 14-18, Hatch Matcher PMD 14-16, Parachute Adams sz. 16-22, Parachute BWO sz. 16-22, Hatch Matcher BWO sz. 16-20, Tailwater Humpy sz.16-20, Brooks Sprout Midge sz. 18-22, Trico Emerger sz. 18-20, Scuds sz. 16-18, Worms sz. 16-20, Pheasant Tail sz. 14-22, Copper John sz. 14-20, Wired Stone 14-18, 20-Incher 12-18, RS2 sz. 18-22, WD-40 sz. 18-22, Black Beauty sz. 18-22, Mercury Baetis sz. 18-20

    River Information

    11-Mile Canyon is a picturesque secion of the South Platte River located just outside of Lake George, CO.  As one of Colorado's State Parks, thre is an entrence fee to fish this section of river, so be sure to purchase your day pass when entering the canyon.  Accessible by dirt road, there is an abundance of fishable water in 11-Mile Canyon.  While the lower river will fish well, it is prone to ice during the winter months, and tends to hold smaller fish than the upper river.  As you get closer to the dam, water temps and insect life will increase, creating an ideal habitat to grow larger fish.  Because this section of the South Platte River is located below 11-Mile Reservoir, all flows are dictated by reservoir releases.  The upside of this is that this river is fishable 365 days a year.  

    Seasonal Overview:


    Great fishing in Eleven Mile Canyon with less crowds due to all the hype the Dream Stream has been receiving. The Blue Wing Olives and Midges are thick and will hatch throughout the day, but when there is cloud cover expect the BWO's to be off the chain and make all the fish look up and eat dries and emergers.


    DRIES: Parachute Adams 16-22, Parachute BWO 16-22, Hatch Matcher BWO and PMD 16-20, Tailwater Humpy 16-20, Brooks Sprout Midge 18-22, Trico Emerger 18-20

    Nymphs: Scuds, Worms, Pheasant Tail 18-22, Copper John 18-20, RS2 18-22, WD-40 18-22, Black Beauty 18-22, Mercury Baetis 18-20

    STREAMERS: Wooly Buggers, Slump Busters, Clousers, Belly Ache Minnows, Sculpzilla's


    Current Hatches:

    Recommended Flies

    Dries: Nymphs: Streamers:

    Tips & Tricks

    Work as much water as you can until you find where the fish are holding and feeding.


    Recommended Products: