Trip planning summary
Use this page to check rules, flow, access, hatch notes, flies, and tactics before planning a trip.
Check the current rule before fishing. Seasons, limits, methods, and closures can change.
Open the gauge or source context before wading, floating, or driving to the river.
Use legal public access and confirm posted, park, tribal, or private boundaries.
Source review queued. Fly notes are planning guidance; current rules control.
| Month | Hatch | Time of Day | Recommended Fly Sizes | Popular Fly Patterns |
|---|---|---|---|---|
| January | Midges | Afternoon | 18-24 | Zebra Midges, Foam Wing Emergers |
| February | Midges | Afternoon | 18-24 | Zebra Midges, Foam Wing Emergers |
| March | Midges | Afternoon | 18-24 | Zebra Midges, Foam Wing Emergers |
| Blue-Winged Olives | Afternoon | 16-20 | RS2, Pheasant Tail Nymph | |
| April | Midges | Afternoon | 18-24 | Zebra Midges, Foam Wing Emergers |
| Blue-Winged Olives | Afternoon | 16-20 | RS2, Pheasant Tail Nymph | |
| May | Blue-Winged Olives | Afternoon | 16-20 | RS2, Pheasant Tail Nymph |
| Cicadas | All day | 6-10 | Black CDC Cicada | |
| Caddisflies | Evening | 14-18 | Elk Hair Caddis, X-Caddis | |
| June | Cicadas | All day | 6-10 | Black CDC Cicada |
| Caddisflies | Evening | 14-18 | Elk Hair Caddis, X-Caddis | |
| July | Grasshoppers | All day | 6-12 | Chubby Chernobyl, Madam X |
| August | Terrestrials | All day | 10-16 | Chubby Chernobyl, Foam Beetle |
| September | Terrestrials | All day | 10-16 | Foam Hopper, Billy Bar |
| October | Blue-Winged Olives | Afternoon | 16-20 | Tufted Dun, Pheasant Tail Nymph |
| November | Blue-Winged Olives | Afternoon | 16-20 | Tufted Dun, Pheasant Tail Nymph |
| December | Midges | Afternoon | 18-24 | Zebra Midges, Foam Wing Emergers |
The Green River offers stunning locations where fly fishermen can potentially catch a trophy-worthy fish. Some of the most highly recommended launch sites for fly fishing include:
Stretching over 730 miles, the Green River cuts across the rugged, scenic landscapes of Wyoming, Utah, and Colorado. It ranks as the largest tributary of the mighty Colorado River, making it an important geographical feature in the American west. The Green River got its charming name from the green-hued algae that line its bed, a unique and stunning spectacle.
Fun historical nugget: Explorer John Wesley Powell made the first recorded journey down the Green River in 1869, leading to the discovery of several previously unknown canyons. Today, the river serves as a popular destination for white-water rafting and fishing, its rich ecology drawing in adventurers from around the globe.
Sources checked
This river report has not yet received a full official-source review. Fishing rules, access, flows, and closures can change quickly; confirm current details with official state and local sources before planning a trip.
Be part of the fishing community!
No updates submitted for this river.