Current Conditions

Blue River

Flow: 100 ft3/s
Temp: 23 °F
Wind: N/A NW

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Recent Reports

Pat Dorsey’s Stream Report: Blue River

The Blue River is a pocket water paradise. There are miles of public water between the town of Silverthorne and Green Mountain Reservoir for you to sample.

Current Conditions

Clarity: Excellent

14 Day Forecast:  Flows are perfect throughout the Blue River corridor. Anglers should prepare for hatches of midges and blue-winged olives.

Tips and Other Information: Flows are perfect from Silverthorn to Green Mountain Reservoir.  In town, a Mysis pattern, red larva, dropped with and assortment of  mayfly nymphs are your best bet.  The lower river looks great, but fishing is difficult at best. Plan on working hard for a few fish, but the scenery and “fishing” is not shabby.  As they say, it’s fishing not catching, so a day in Summit County is never a bad thing to beat the crowds.  Make no mistake about it though… fishing on the Blue River has been a bit of a disappointment as of late…

Effective Patterns:  ​#20-22 Juju Baetis, #20-22 Chocolate Foam Wing Emerger, #22 Stalcups Baetis, #20-22 Mercury Midge, #20-22 Manhattan Midge, #16 Bead Head Breadcrust, #18 Barr Emerger, #20-22 Sparkle Wing RS 2, #14 San Juan Worm, #20 Sparkle Dun, and #20 Parachute Adams.

About the Blue River

Many anglers I know have a love-hate relationship with the Blue River. Just about the time you think you have the river figured out, a humbling experience devastates your ego. The Blue River is a fantastic fishery and a favorite of mine. The Blue certainly is a beautiful as they come, and gives visiting anglers a real sense of “Colorado”. It’s a tough river at times, but a good challenge will always make you a better fly-fisherman. The water is extremely cold coming off the bottom of Lake Dillon. This cold water dictates and controls the feeding window of the trout. It’s not a great morning fishery, but as the water gradually warms up throughout the day, the fishing improves dramatically. The upper stretches of the Blue (from the base of the dam through Silverthorne) holds trophy trout, fattening up on Mysis Shrimp from the lake above. The water is gin clear requiring perfect presentations. Down stream the Blue River changes back in a typical mountain trout stream with a diverse insect life. Several tributaries enter the river before it spills into Green Mountain Reservoir.

The river is  lined with cottonwood trees and willows and is tucked to the east of the beautiful Gore Range. Because the water is so cold the river fishes best from mid-day to dark. Anglers can expect to catch mostly brown trout, a hand full of cut-bows as well as a few rainbows and the river can be excellent with dry fly patterns later in the afternoons and evenings. The hatches include blue wing olives, caddis, red quills, green drakes, pmd’s, and stoneflies. The regulations are catch and release in Silverthorne and on the lower reaches the limit is two trout over 16 inches in length and is artificial flies and lures only.