Henry's Fork - Ashton - Idaho
Fly Fishing River Report & Conditions
Henry’s Fork – Ashton - Water Flow Chart
Henry’s Fork – Ashton - Weather report & radar
Henry’s Fork – Ashton - General hatch chart
| Month | Hatch | Time of Day | Recommended Fly Sizes | Popular Fly Patterns |
|---|---|---|---|---|
| January | Midges | Afternoon | 18-22 | Zebra Midge, Griffith’s Gnat |
| February | Midges | Afternoon | 18-22 | Zebra Midge, Griffith’s Gnat |
| March | Midges | Afternoon | 18-22 | Zebra Midge, Griffith’s Gnat |
| April | Midges | Afternoon | 14-22 | Zebra Midge, Griffith’s Gnat |
| Blue Wing Olives | Afternoon | 16-22 | BWO Emerger, BWO Dries | |
| May | Blue Wing Olives | Mid-day | 14-22 | BWO Emerger, BWO Dries |
| Caddis | Evening | 14-20 | Elk Hair Caddis, Goddard Caddis | |
| Yellow Stones | Evening | 8-12 | Yellow Stimulator, Yellow Sallies | |
| June | Yellow Stones | Evening | 6-12 | Yellow Stimulator, Yellow Sallies |
| Main Salmonfly hatch | Evening | 4-8 | Rogue Foam Stone, Sofa Pillow fly | |
| PMD | Mid-day | 14-20 | PMD Emerger, PMD Dries | |
| July | PMD | Mid-day | 14-20 | PMD Emerger, PMD Dries |
| Green Drakes | Afternoon | 8-12 | Green Drake Cripple, Green Drake Dun | |
| August | Terrestrials | All day | 10-16 | Hoppers, Ants, Beetles |
| Trico | Early morning | 20-24 | Trico spinner, Trico Dun | |
| September | Terrestrials | All day | 10-16 | Hoppers, Ants, Beetles |
| Blue Winged Olives | Afternoon | 18-22 | BWO Emerger, BWO Dries | |
| October | Blue Winged Olives | Afternoon | 18-22 | BWO Emerger, BWO Dries |
| November | Midges | Afternoon | 18-22 | Zebra Midge, Griffith’s Gnat |
| December | Midges | Afternoon | 18-22 | Zebra Midge, Griffith’s Gnat |
Henry’s Fork – Ashton Access Points
The Henry’s Fork in Ashton offers several high-quality access points for fly fishing. These points provide optimal opportunities for catching a variety of fish species in diverse fishing environments. Here are some of the best access points:
- Box Canyon: Great location for catching Rainbow Trout, easily accessible via Forest Road.
- Lower Mesa Falls: This location offers a scenic view and excellent choices for fishing for Brown and Rainbow Trout.
- Warm River: Accessible from the Warm River campground, this place is teeming with various fish species.
- Vernon Bridge: Provides excellent opportunities to catch Rainbow and Brown Trout.
- Chester Dam: Accessible year-round, this spot is perfect for catching Trout even in winter.
- Ora Bridge: This section of river holds high numbers of Rainbow and Brook Trout.
Remember, different regulations may apply to different sections of the river, so ensure you’re familiar with them before casting your line.
Henry’s Fork – Ashton Fishing Spots
- Box Canyon: Starting below the Island Park Reservoir, this section is famous for its large Rainbow Trout.
- Harriman State Park: Also known as “the Ranch,” it is known for its prolific hatches and challenging fishing that rewards technical casting and presentation
- Lower River: From Ashton Dam downstream to Saint Anthony, it’s rich with aquatic insects and known for its incredible dry fly opportunities.
- Chester Dam to Ashton: Known as the “Fall River,” it provides exceptional fishing due in part to warmer water and different hatches.
- Ashton Reservoir: An often-overlooked spot that provides fantastic fishing.
Henry’s Fork – Ashton Local Fish Species
- Trouts:
- Rainbow Trout: Known for their aggressive strikes and acrobatic fights. They thrive in the Henry’s Fork water conditions.
- Brown Trout: They provide a challenging catch for fly anglers due to their elusive and unpredictable nature.
- Brook Trout: Smaller compared to other trout species, they are a favorite among anglers for their beautiful colors and distinctive markings.
- Salmons:
- Cutthrout Salmon: This species is named for the bright red or orange slash on the underside of its lower jaw. Its large size attracts many fly anglers.
- Chinook Salmon: Known for their size and strength, they are a popular target for fly fishing in Henry’s Fork – Ashton.
- Other Species:
- Whitefish: These fish are common in the Henry’s Fork waters and offer a fun perceptive to the fly angler.
- Yellowstone Cutthroat Trout: They are a native trout species in the waters of Henry’s Fork. This makes them a favorite target among conservation minded anglers.
About the Henry’s Fork – Ashton
The Henry’s Fork is a tributary of the Snake River, located in the eastern part of Idaho. It gets its name from Major Andrew Henry, a fur trader from the early 19th century. Major Henry originally named it North Fork, but over time, it came to be called Henry’s Fork.
Whitewater enthusiasts and nature lovers alike appreciate its crystal-clear waters and the diverse ecosystem consisting of a wide variety of fish species. Outdoor activities are plentiful with fly fishing being a particular favorite.
The town of Ashton, located nearby, serves as a convenient access point and offers a variety of services to visitors. Many people also start the Mesa Falls Scenic Byway from Ashton, which offers breathtaking views of upper and lower Mesa Falls.
With rich history and natural beauty, the Henry’s Fork is a must-visit for any outdoor enthusiast.
Community Contributions
Be part of the fishing community!
No updates submitted for this river.
