Fly Fishing at South Boulder Creek (Below Gross), Colorado
Rating: 5/5
Current River Conditions
Thu Jul 09 2026 00:00:00 GMT-0600 (Mountain Daylight Time)
Amazing flows are coming from Gross Reservoir right now, bringing excellent fishing throughout South Boulder Creek. A variety of hatche are occuring right now which has lead to fantastic dry fly fishing. PMD's, caddis, and midges are the primary hatches right now, but keep an eye out for a few remaining green drakes. Additionally, creek fish are incredibly opportunistic and will readily take a hopper. We're starting our day throwing a hopper-dropper setup, and moving to single or double dries once we sees bug activity.
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