Flat Creek
spring creek in Wyoming
Flat Creek is a short, spring-fed creek near Wilson/Jackson that fishes like a classic spring creek—clear, consistent flows, manicured runs, and a high density of trout; it's a go-to for anglers seeking sight-fishing and hopper-dropper tactics.
Terrestrial patterns (Hoppers
- 01Terrestrial patterns (Hoppers, Ants, Chernobyl Ants) are still proving effective, especially for aggressive Cutthroat.
- 02October Caddis are becoming a significant factor, with adults actively hatching and drawing strikes.
- 03Blue-Winged Olive (BWO) hatches are beginning, providing opportunities for selective dry fly and emerger fishing.
- 04Mahogany Dun patterns are also starting to appear, adding to the fall hatch diversity.
- 05Overall fishing sentiment ranges from solid to hot, indicating good conditions.
Past reports week by week
13 weeksWhat to tie on
Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.
October Caddis (Dry)
Explicitly mentioned in recent reports as becoming a factor in fall, a key large caddis hatch for aggressive trout.
Buy at AmazonBlue-Winged Olive (BWO) Comparadun
Recent reports indicate BWOs are beginning to appear, and this low-profile dry fly is excellent for selective trout feeding on adults during fall hatches.
Buy at AmazonTravis Hi-Vis BWO Para Emerger
BWO emergers are crucial during fall hatches, and this high-visibility pattern helps spot subtle takes from selective trout.
Mahogany Dun
Recent reports indicate Mahogany Duns are beginning to appear, making this a relevant fall pattern.
Buy at AmazonZebra Midge
Midges are a primary and consistent food source year-round in spring creeks, making this a reliable subsurface pattern in fall.
Buy at AmazonWoolly Bugger (Olive)
Streamers like the Olive Woolly Bugger imitate leeches and baitfish, which are consistent food sources for aggressive trout in colder fall waters.
Chernobyl Ant
Terrestrial fishing remains strong in early fall, and larger patterns like the Chernobyl Ant can be effective as attractors for aggressive trout.
Buy at AmazonFlashback Pheasant Tail Nymph
A reliable year-round nymph, effective for imitating various aquatic insects, especially during cooler fall conditions when fish are feeding subsurface.
Where to fish and who to ask
Flat Creek Preserve Reach
Short preserved sections with high trout density and excellent dry-fly sight-fishing opportunities.
Wilson Bridge Access
Easy access to prime sight-fishing runs and classic spring-creek water near the town of Wilson.
Fly shops within 40 miles
Mangis Fishing Guides
Grand Teton Fly Fishing
Westbank Anglers
JD High Country Outfitters
Get Flat Creek reports by email
Save this water and we'll email you a weekly summary of conditions, hatches and what's working.
Wyoming season by season
What changes on the water through the year, with the flies for each season.
Read before you go
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Quick answers
Common questions about Flat Creek.
What flies work best on Flat Creek?
Our top scored fly patterns for Flat Creek right now are Hopper (100% confidence), Amy's Ant (95% confidence), PMD Sparkle Dun (95% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.
What fish species are in Flat Creek?
Flat Creek holds Brown Trout, Cutthroat Trout. See the species links on this page for fly recommendations and seasonal behavior for each.
Is Flat Creek fishing well right now?
We publish a fresh bite report for Flat Creek each week based on recent on-the-water intel. The current report — with conditions, hatches, and what's producing — is on this page.