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Blue River

For Denver area flyfishers, the Blue River, which rests just an hour-and-a-half west of the city off I-70, is an excellent after-work and short weekend option. However, due to its location, it can suffer from crowding.

Despite its location and a good population of trout, not many people consider the Blue their favorite river. However, for those who know the Blue, “Big trout,” “Broken tippet” and “the one that came off,” are all phrases that are commonly heard as those anglers head home from the river.

It hasn’t always been that way; improvements on the Blue over the last four or five years have benefited the fishery. New catch-and-release regulations to strengthen the population of larger fish and the fact that the rainbows, browns, and brookies in this river have bellied up to a diet of seafood – a white shrimp called Mysis – have played a big part in these improvements.

The Blue below Dillon Reservoir is not a typical Colorado tailwater. In fact, fishing the Blue below Dillon is a somewhat urban experience – it flows through Silverthorne, and those fast food joints, gas stations, and factory outlet stores make a strange setting for a blue ribbon trout stream.

River description excerpted from Flyfisher's Guide to Colorado by Marty Bartholomew
River description excerpted from Flyfisher’s Guide to Colorado by Marty Bartholomew

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Latest Guide Report

Fishing Report Date: 08-17-2017

Flows on the Blue River below Dillon Reservoir have dropped below 200 and are currently at 191.  This flow is perfect for sight fishing.

Pale Morning Duns (PMDs) and small Yellow Sallies are hatching on the Blue in Silverthorne.  The dry fly fishing is heating up around 1pm.

Nymphs that are working include: Size 18-20 Mysis Shrimp, #16 Pheasant Tails, size #16-#18 Split Case PMD nymphs, size 18-22  Pure Midges, and size 18-22 Copper Ribbed RS-2.

Dry flies : #16-#18 Sparkle Dun PMDs, #16 Hi-Viz PMDs, #12-#18 Elk Hair Caddis in tan and brown, #14-#18 Peacock Caddis, #16 tan Chubby Chernobyls.

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

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

Clear
Water Temperature: 40's
Flow Level: 191 CFS
Runoff? Clear

Report Submitted By: Randy Hanner

Blue River Water Flow Graphs