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Find the right pattern fast by species, lifecycle stage, and water type with clear tying notes and usage tips.
Enhance Your Fly Fishing Experience
Hatch info, fly patterns, and river insights for the modern fly fisherQuick Start
Hatch Forecast
See what is hatching now with GPS-based forecasts so you can plan smarter trips and fish the right window.
Waters
Find the right water to fish with detailed information about the water, including the fish species that can be found there, current water conditions, restrictions, and more.
Your Flybox
Build a digital flybox of trusted patterns so you are ready before a trip or at the fly shop.
Catchtivity
Log catches with locations and conditions to learn what works and repeat your best days.
Video
Learn faster with short videos that show how to use features and improve your results.
Your Complete Fly Fishing Application for the modern fly fisher
IdentaFly turns complex fly fishing decisions into clear next steps, so you spend less time guessing and more time on the water. Learn what to fish, where to fish, and what to tie with tools designed to guide every trip from planning to post-trip insights.
Whether you're researching a new river, trying to match the hatch on short notice, or improving your fly selection over time, IdentaFly combines reliable data with practical learning so you can make confident, informed choices.
Start with the essentials below, then check back each month for updated hatch chart conditions and the pattern of the month.
If you like reading about fly fishing, check out our blog.
Fly Fishing Pattern of the Month
Make sure to check back next month to see what's new!
Top 5 Rated Fly Patterns From the Community
Hatch Charts for Fly Fishing River Destinations
These are just some of the popular rivers and streams in the United States. If you think somewhere else should be highlighted, please let us know.
Pacific Northwest
Skagit
| WA
Season:
🎯 Year-round
Features:
Steelhead
Salmon
Mountain River
View Skagit Hatch Chart →
Rocky Mountains
Green River
| Utah
Season:
🎯 Year-round
Features:
Brown Trout
Tailwater
Scenic Canyon
View Green-River Hatch Chart →
Rocky Mountains
Snake River
| ID
Season:
🎣 Spring-Fall
Features:
Cutthroat
Dry Fly
Mountain Views
View Snake-River Hatch Chart →
Rocky Mountains
Roaring Fork
| CO
Season:
🎣 Spring-Fall
Features:
Gold Medal
Wild Trout
Mountain Stream
View Roaring-Fork Hatch Chart →
Ozarks
White River
| AR
Season:
🎯 Year-round
Features:
Brown Trout
Tailwater
Year-round
View White-River Hatch Chart →
Great Lakes
Au Sable
| MI
Season:
🎣 Spring-Fall
Features:
Brook Trout
Historic
Dry Fly
View Au-Sable Hatch Chart →
Appalachian
New River
| VA
Season:
🎣 Spring-Fall
Features:
Smallmouth
Warm Water
Scenic
View New-River Hatch Chart →
Southwest
San Juan
| NM
Season:
🎯 Year-round
Features:
Rainbow Trout
Tailwater
Technical
View San-Juan Hatch Chart →
Appalachian
Nantahala
| NC
Season:
🎣 Spring-Fall
Features:
Rainbow Trout
Mountain Stream
Scenic
View Nantahala Hatch Chart →
Northeast
Nesowadnehunk
| ME
Season:
🎣 Summer
Features:
Brook Trout
Remote
Wild
View Nesowadnehunk Hatch Chart →