Big Thompson River Report
Big Thompson River Report
09-26-2023
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For dries, use a High Vis Midge, Mole Midge, Mole Fly, Tail Water Midge, Griffith's Gnat, AR's BWO, CDC Comapardun Trico, Baby Boy Hopper, Flag Dun Adams, Parachute Adams, Purple Haze and Hippy Stomper.
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For sub-surface, use a RS-2, Zebra Midge, Sow Bug, Thin Mint, Wooley Bugger, Rainbow Warrior, Copper John, Prince Nymph, Bling Midge, Cheeseman Emerger, and a Foam Back RS-2
Guide Rating
Weather Experienced
- Wind Conditions: Breezy
- Precipitation: None
Water Observations
- Flow Level: 48 CFS
- Water Clarity: Slight stain
About Big Thompson River Fly Fishing
The Big Thompson becomes fishable at Moraine Park in Rocky Mountain National Park, about six miles downstream of its headwaters. It’s there at Moraine Park, where the river splits into numerous braids and channels, that fisherman encounter the river’s first public access. Trails leading up and down the river from that point will lead you to great flyfishing experiences.
Moraine is a wide-open area, but the Big Thompson’s banks are lined with willows. It’s typical small stream conditions, and the river is filled with, you guessed it, brook, brown, and cutthroat trout in the 6- to 12-inch range. They’ll readily take a variety of general attractor flies.