Fly Fishing at Upper Colorado River, Colorado
Rating: 4/5
Current River Conditions
Thu Jul 09 2026 00:00:00 GMT-0600 (Mountain Daylight Time)
Current fishing conditions are varying depending on where you are in the upper section. Flows are extremely low coming from the feeder creeks and Granby Reservoir right now, leaving the upper section above Williams Fork very weedy and high temperatures. We'd advise to stay away from any part of the Colorado above from the Williams Fork confluence. Directly below the Williams Fork confluence has brought good fishing due to the cold water coming from the Williams Fork. On this section the water is still low, but fish are eating PMD's, caddis, and midges, as well some small terrestrials here and there. After the confluence with the Blue River, the water is looking much better. Although still low is comparison to the past, the water from the Blue down to Radium is cold and the trout are very happy! Like mentioned before, we'd fish PMD's, caddis, and midges, with the addition of big hopper and streamers if you're fishing from a boat.
Dry Flies:
- Mole Fly
- Bunny Midge
- Jake's Hatchback
- Zelon Cripple
- Guide Winna Spinna
- High Rise Foam Caddis
- Amy's Ant
- Swisher's Foam PMX
- Hackle Stacker Quigley's
- Bigsky Hopper
Nymphs:
- Frenchdipity
- Disco Midge
- Tunsgsten Soft Hackle Pheasant Tail
- Dick's Interstellar Driver
- Jig Caddis Pupa
- Jig Buckskin Caddis
- Hilbert's Day Saver May
- Thunder
- Split-Case
- Silverman's Caddis Larva
