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Boulder Creek Fishing Report

Our Boulder Creek fishing report will give you an idea of what flies to use and general conditions you can expect. Boulder Creek is one of Boulder’s most prized possessions, running from Barker Reservoir through town past the campus of CU and out into the flats of Colorado. From start to finish this is a fine trout fishery full of wild browns, rainbows, and even some colorful brookies up towards the town of Nederland. If you can really devote some time to fishing the creek there are even a few cutthroats to be found. Go for the Boulder Creek grand slam!

The creek is full of opportunistic fish that are eager to take a dry fly, so take advantage of the great caddis, blue wing olive and terrestrial fishing. The midges that call Boulder Creek home are active all year and are always a safe bet come the colder months of the year. This is a great chance to get out and test some of those midge patterns that you have been drooling over all winter. The caddis hatches on the creek makes for some of the best evening fishing Boulder has to offer.  A simple dry fly with a dropper hanging off the back will light up fish all day long and into the night.

The creek fishes well from start to finish, hitting bigger browns outside of town, or even in town, more rainbows than you can stick in one day up in the canyon and brookies that will keep you grinning until dark near the upper stretches of the creek. The fish size averages around 8in, but there are plenty of larger fish to be had in the creek.

Latest Guide Report

Fishing Report Date: 05-25-2015

I had the pleasure of fishing with two relatively novice fisherman from Louisiana over Memorial Day.  With our options limited by higher water on many of our rivers, we headed up to upper Boulder Creek, above Boulder Falls.  The water up here is awesome right now to say the least.  With a healthy flow and a slight, but not bad stain to the clarity, the fishing here is smoking.  We fished dry dropper rigs, with the majority of our success coming from around 10-12:30pm on our dropper flies.  Look for fish to be in any softer water, pushed to the sides, and hanging in pockets.  A dry dropper rig is an ideal way to reach them, although we didn’t have much action on our dries.

Flies to try- B.H. Hares Ear (sz 16, 18), FB Pheasant Tail (sz 16, 18), Egans Iron Lotus (sz 18), Pandemic BWO nymph (sz 18).

Quick Tip-  Really focus on finding good holding water for the fish. It didn’t seem to matter what fly we were using, as long as we found good holding water, the fish were eager to eat.  

All said and done, fishing is still good!!  Swing by Pearl Street, get loaded up, and get out and fish!


Report Statistics
5/5Time on Water: 4.5
Number of Anglers: 2
Hoook Ups: 20+
Fish Landed: 15+
Weather Experienced

Temperature: 60
Wind Conditions: Calm
Precipitation: None
Water Observations

Water Temperature:
Flow Level: 100+ CFS
Runoff? on
Zach Lass

Report Submitted By: Zach Lass

Boulder Creek Water Flow Graphs