Current Conditions

South Platte River – Eleven Mile Canyon

Flow: 372 ft3/s
Temp: 59 °F
Wind: 7 MPH N

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Recent Reports

Pat Dorsey’s Stream Report – Elevenmile Canyon – South Platte

Elevenmile Canyon is known for its superb dry fly fishing. The Trico hatch is one of many that anglers should concentrate their efforts on.

Current Conditions

Clarity: Excellent

14 Day Forecast: Look for hatches of midges, blue-winged olives, and sporadic caddis and yellow sallies. Flows are high from spring run-off

Tips and Other Information:

Flows are high in Eleven Mile Canyon due to spring run-off. Inflows to Spinney Mountain Reservoir are currently 625 cfs and rising, so look for the river to rise even higher in the next few days.  Anglers should prepare themselves for hatches of midges, sporadic blue-winged olives, caddis, and yellow sallies. I’d break out some of the big-bites as well, including stoneflies, San Juan Worms, scuds, leeches, etc. and trail a Buckskin, Mercury Pheasant Tail, Juju Baetis, Chocolate Foam Wing Emerger, red Copper John, RS 2 behind it, all in sizes 18-22.

Effective Patterns:  #22 Stalcup’s Baetis, #14-16 San Juan Worm, #14-16 UV Scud, #16-18 red Copper John, #20 Juju Baetis, #20-22 Chocolate Foam Wing Emerger, #18-20 Mercury Pheasant Tail, #20 RS 2, #18 Buckskin, #16 Barr’s Graphic Caddis, #16 Mercer’s Swing Nymph, #14-16 Elk Hair Caddis, #16 Yellow Sally #16 Stimulator, #18-20 Sparkle Dun, #20-22 Matt’s Midge, and #20-22 Parachute Adams.

About Elevenmile Canyon

Fly Fishing Conditions for Elevenmile Canyon Along the South Platte River from The Blue Quill Angler in Evergreen, CO

After a variety of conservation efforts, the tailwater below the Eleven Mile Canyon Reservoir has flourished into a premier example of legendary Colorado fly fishing. Loaded with trout that eat well on a variety of small midges and mayflies, a trip to Elevenmile offers a memorable day of fly fishing. For roughly 10 miles between the town of Lake George and the 135-foot dam at Elevenmile, you’ll find a granite encrusted canyon holding first-rate trout stream. Fly fishing here provides you with options from fishing flats to swirling currents and beautiful pools. Only artificial flies or lures as well as catch and release is allowed at Eleven Mile Canyon for the first four miles below the dam. As always, check with the authorities before your trip to Eleven Mile for the most up to date regulations.

What Kind of Fishing Can You Expect at Eleven Mile?

Habitat improvement efforts have come through in a big way for Elevenmile. According to one aquatic biologist for the upper South Platte River Basin, they’ve recently been seeing more fish in this section of river than ever before. Even in the dead of winter, the first mile of river below the dam is not typically frozen, so this is a good spot to fish all year. In early spring, midges hatch for several hours to offer some of the best dry fly fishing around. As the warmer temperatures of spring set in, blue-winged olives (BWOs) start to show up. Duns seem popular through June and August when flows are around 150-250 CFS. By mid-July, the tricos have begun to hatch for some unforgettable dry fly fishing. In the colder months from November to February, sporadic BWO hatches can be found early on before midges become the staple of a trout’s diet. To learn more about Eleven Mile Canyon and all things fly fishing, contact us at The Blue Quill Angler where we also offer guided fly fishing trips in Colorado.