Nestled in the heart of Idaho, the Henry’s Fork of the Snake River is a fly fishing paradise that beckons anglers from around the globe. This river, renowned for its crystal-clear waters and abundant trout population, offers a unique and rewarding experience whether you prefer to hire a guide or for those who like the do-it-yourself approach to fly fishing. Understanding the nuances of this river and preparing adequately can transform a simple fishing trip into an unforgettable adventure.
Anglers are drawn to the river for its blend of challenging fishing spots and easier sections, making it versatile for all skill levels. The “Graduate School of Fly-Fishing for PH.D. Trout” offers a rewarding experience for those looking to test their skills against its well-educated trout. Whether in the remote stretches near Rexburg or the scenic timber-covered canyons, there’s something here for everyone.
Exploring Henry’s Fork provides a unique adventure each time. The river flows past open ranch lands and through gentle spring creek sections, offering a mix of beautiful landscapes for fishing. While big cities are distant, the allure of untouched nature and abundant fish makes the journey worthwhile. With careful planning, the Henry’s Fork experience will surely be memorable.
Contents
- Henry’s Fork: A Fly Fishing Paradise
- Understanding the Henry’s Fork Watershed
- Henry’s Fork Map
- Where to Go Fly Fishing on the Henry’s Fork
- Essential Gear for Fly Fishing on the Henry’s Fork
- Best Times to Fish the Henry’s Fork
- Henry’s Fork Hatches and Recommended Flies
- Henry’s Fork Fishing Report
- Stream Flow and Current Conditions
- Fishing Regulations
- Travel Tips for Budget-Friendly Fishing Trips
Henry’s Fork: A Fly Fishing Paradise
The Henry’s Fork is a tributary of the Snake River, flowing through a diverse landscape that includes lush meadows, dense forests, and dramatic canyons. This variety in terrain provides breathtaking scenery and creates a range of fishing environments, each with its challenges and rewards.
The river is divided into several sections, offering different fishing conditions and opportunities. From the calm, glassy waters of the Railroad Ranch to the fast-moving currents of Box Canyon, the Henry’s Fork caters to all levels of fly fishing expertise.
One of the most appealing aspects of fly fishing on the Henry’s Fork is the opportunity to catch wild trout, including rainbow and brown trout, known for their size and fighting spirit. The river’s healthy ecosystem supports a rich diversity of aquatic life, making it an ideal habitat for these fish. The presence of prolific hatches, such as mayflies, caddisflies, and stoneflies, ensures that the trout are well-fed and active, providing anglers ample opportunities to test their skills.
For those embarking on a DIY fly fishing adventure, preparation is key. Understanding the seasonal patterns of the river and the behavior of its fish can significantly enhance the chances of success. Spring and early summer are particularly popular times to visit, as the river comes alive with insect activity, prompting the trout to feed aggressively. However, each season offers unique challenges and rewards, and adaptability is crucial.
Understanding the Henry’s Fork Watershed
The Henry’s Fork watershed is a remarkable area in eastern Idaho, notable for its diverse geography and rich biodiversity.
Geography of the River
The Henry’s Fork of the Snake River begins at Big Springs, a stunning location with crystal-clear waters. The river travels through open ranch lands and timber-covered canyons from its source. Its path is marked by gentle flows, resembling spring creek-like sections. Over its course, the river passes through several small towns, providing a mix of accessible fishing spots and secluded areas.
The watershed covers about 1.7 million acres, featuring an extensive network of rivers and streams. These features make it an important ecological zone supporting a range of wildlife.
Types of Fish in the Henry’s Fork
The Henry’s Fork is a famous destination for anglers due to its abundance of trout. Species include large wild rainbows and elusive brown trout. The river is celebrated for its tremendous dry fly fishery. Anglers can also find brook trout, cutthroat trout, and, occasionally, bull trout.
Different sections of the river offer specific fishing conditions. These changes in the river’s course create varied habitats that support this rich diversity of fish species, enhancing the angling experience.
Henry’s Fork Map
Before heading out to fish, you’ll need a good Henry’s Fork River map. We’ve got you covered with the DIY Fly Fishing map and mobile app. All the best places to fish the Henry’s Fork are included on the map so you can spend more time fishing and less time worrying about where the best spots are.
Get Directions to the Fishing Access Points shown above with the DIY Fly Fishing Map
Where to Go Fly Fishing on the Henry’s Fork
When searching for prime fishing spots on the Henry’s Fork of the Snake River, anglers should focus on accessible locations and consider whether to fish from the bank or a boat. Each choice offers unique advantages that cater to different fishing styles and preferences.
Access Points and Boat Ramps
Multiple access points and boat ramps along Henry’s Fork make it easier for anglers to find ideal fishing locations. Popular entry spots include Big Springs and the Island Park area. These sites provide convenient parking and easy access to the water.
Accessing the Henry’s Fork is relatively straightforward, with several key access points along the river. The most popular locations include:
- Upper: The headwaters of the Henry’s Fork stem from Henry’s Lake and Big Springs. Most fish the upper river near Mack’s Inn and Coffee Pot’s Rapids.
- Box Canyon: This section features fast-moving waters and deep pools, providing a habitat for larger trout. It requires more skill and is best suited for experienced anglers. Access is available via designated trails.
- Railroad Ranch (Harriman State Park): This area is known for its slow-moving waters and abundant insect hatches, making it ideal for dry fly fishing. It is accessible for wade fishermen and offers ample parking.
- Ashton Tailwater: This stretch from the Ashton Dam to St. Anthony is highly productive and offers good access for both float fishing and wade fishing.
Access points along the 120 miles of river from Henry’s Lake to the South Fork are well-marked on the DIY Fly Fishing App. Local maps are also available from nearby fly shops.
Fly Fishing from the Bank vs. Boat
Fishing from the bank allows for a quiet, immersive experience, letting anglers connect closely with the river’s edge. It is ideal for those wanting to explore smaller sections without the need for extensive equipment.
In contrast, fishing from a boat opens up more expansive areas of the Henry’s Fork. This method is especially beneficial in faster sections where casting from the bank might be challenging. Boats also allow anglers to cover more ground and find secluded fishing spots.
Choosing between these options can depend on personal preference, the specific conditions of the river, and the desired fishing experience.
Essential Gear for Fly Fishing on the Henry’s Fork
Fly fishing on the Henry’s Fork of the Snake River requires specific gear to make the experience comfortable and successful. Selecting the proper rod and reel, using effective fly selection strategies, and having suitable waders and personal gear is crucial for an enjoyable day on the water.
Choosing the Right Rod and Reel
Selecting the right rod and reel is critical for anglers on Henry’s Fork. A 9-foot rod with a 5-weight line is commonly preferred for its versatility in handling the river’s different sections. This setup offers enough backbone to cast longer distances and provides sensitivity for subtle trout strikes.
A good quality reel with a smooth drag system is essential. It should match the rod’s weight and hold the fly line efficiently. The reel’s drag is vital when fighting larger trout and should be reliable, providing adequate resistance without seizing. Anglers should consider reels made from lightweight, durable materials to reduce fatigue during long fishing days.
Waders and Other Personal Gear
Waders are indispensable for navigating the varied terrain of Henry’s Fork. Breathable waders keep anglers comfortable and dry, even in warmer weather. Chest-high waders are recommended for deeper sections, while a reliable wading belt adds extra safety.
Supporting gear includes a vest or pack for carrying essentials like flies, tippets, and tools. A waterproof jacket protects against sudden rain showers. Polarized sunglasses help spot fish and reduce glare in the water. Proper footwear with good traction is critical for moving safely over slippery riverbed rocks. Safety and comfort lead to a more successful fly fishing experience.
Best Times to Fish the Henry’s Fork
The best time to fish the Henry’s Fork is from Memorial Day weekend through October. Each month offers unique opportunities:
- Late April to June: This is the peak season for hatches, including the famous Salmonfly hatch, which attracts large trout to the surface.
- July to Mid-September: The river hosts a variety of hatches, including caddisflies and mayflies, providing excellent dry fly action.
- Mid-September to October: Cooler temperatures and fewer crowds make this an ideal time for targeting large brown trout as they prepare for spawning.
For detailed hatch information, check the Henry’s Fork Lodge Fishing Calendar.
Henry’s Fork Hatches and Recommended Flies
Henry’s Fork is famous for its diverse hatches. Anglers find dry fly fishing excellent from May through September. It is important to be prepared with various flies to match the hatch during these peak fishing times.
Here are some of the best hatches you can expect and flies you’ll need.
- Midges (Jan-Mar, Nov-Dec): Griffith’s Gnat #18-22, Palomino Midge #16-22
- Blue-winged Olive (Mar-Jun, Sep-Nov): Parachute Adams #16-24, Olive Sparkle Dun #16-24, Pheasant Tail Nymph #16-24
- Salmonfly (May-Jun): Sofa Pillow #4-6, Bird’s Stone #4-6, Black Rubberleg Nymph #4-6
- Caddis (May-Sep): Emergent Sparkle Pupa #14-16, Elk Hair Caddis #14-16
- Pale Morning Dun (May-Sep): Yellow Sparkle Dun #16-20; PMD Cripple #16-20
- Golden Stone (Jun-Jul): Golden Stone #4-6; Stimulator #4-6, Rubberleg Nymphs #4-6
- Western Green Drake (Jun-Jul): Parachute Adams #10-16, Olive Sparkle Dun #10-16
- Small Gold Stone (Jun-Aug): Stimulator #12-16, Yellow Humpy #12-16, Golden Stonefly Nymph #12-16
- Brown Drake (Jun-Jul): Brown Sparkle Dun #10-16, Hare’s Ear Nymph #10-16
- Speckled Spinner (Jun-Sep): Sparkle Dun #16-18, Spinners #16-18
- Small Western Drake (flav) (Jun-Jul): No Hackle #14-16, Paradrake #14-16, Spinner #14-16
- Tricos (Jun-Sep): Parachute Adams #18-24, CDC Trico #18-22
- Mahogany Dun (Aug-Sep): Sparkle Dun #16-18, Pheasant Tail Nymph #16-18
- Gray Drake (Aug-Sep): Parachute Adams #10-12, Sparkle Dun #10-12
- Ants (Jul-Sep): Henry’s Fork Flying Ant #14-16
- Beetles (Jul-Sep): Hi Vis Beetle #12-16
- Hoppers (Jul-Sep): Henry’s Fork Hopper #6-10
Henry’s Fork Fishing Report
Area fly shops, guides, and websites that can provide a Henry’s Fork fly fishing report and update on current conditions are listed below:
Stream Flow and Current Conditions
Check the stream conditions before heading out to fish the Henry’s Fork. A series of USGS stream gauges from the outlet of Henry’s Lake down to the confluence with the South Fork Snake River provide a good indication of current conditions.
The graphs below shows the stream flow (discharge) for the past seven days. If flows are considerably above or below historical norms (yellow triangles on the chart), fishing conditions may not be ideal.
Fishing Regulations
The fishing regulations for Henry’s Fork can be found on the Idaho Fish and Game website.
Here’s a summary of some key regulations:
- Licenses: You must have a valid Idaho fishing license to fish in the Henry’s Fork.
- Limits: Daily limits on the number of fish you can keep vary by species and time of year.
- Catch-and-release: Some areas of the Henry’s Fork have catch-and-release regulations, meaning you must release any fish you catch.
- Barbless hooks: Barbless hooks are required in catch-and-release areas.
- Bait restrictions: Bait fishing is prohibited in catch-and-release areas.
Regulations that apply to specific sections of Henry’s Fork include:
South Fork Snake River/Henrys Fork confluence upstream to Vernon Bridge
- Trout limit is 2, no harvest of Cutthroat Trout
Vernon Bridge upstream to Ashton Dam
- December 1 through Friday before Memorial Day weekend – trout – catch-and-release (except Brook Trout)
- Saturday of Memorial Day weekend through November 30 – trout limit is 2, no harvest of Cutthroat Trout
Highway 20 bridge upstream to the posted boundary upstream of Riverside Campground
- Trout limit is 2, no harvest of Cutthroat Trout
Posted boundary upstream of the Riverside Campground upstream to the lower Harriman State Park boundary
- Trout – catch-and-release (except Brook Trout)
- No bait allowed; barbless hooks are required
Lower Harriman State Park boundary upstream to the upper Harriman State Park boundary (Harriman Ranch)
- December 1 through June 14 – closed to fishing
- June 15 through November 30 – trout – catch and-release, fly fishing only, barbless hooks
required
Upper Harriman State Park boundary to Island Park Dam
- Trout – catch-and-release (except Brook Trout)
- No bait allowed, barbless hooks required
McCrea Bridge upstream to the Henrys Lake Outlet
- December 1 through Friday before Memorial Day weekend – trout – catch-and-release (except
Brook Trout) - Saturday of Memorial Day weekend through November 30 – trout limit is 6
Henrys Lake Outlet upstream to the head of Big Springs
- Closed to fishing
General rules apply for all other sections of the Henrys Fork, including Ashton and Island Park Reservoirs in the Upper Snake Region. These rules are in place to protect the fishery and ensure a quality experience for all anglers.
Be sure to check the Idaho Fish and Game website for the latest regulations, which are subject to change.
Catch and Release Best Practices
Practicing effective catch and release is key to maintaining fish populations. Anglers should use barbless hooks to minimize injury to the fish. Handling fish gently and keeping them in water as much as possible helps reduce stress and increase their chances of survival.
When releasing, it’s crucial to avoid squeezing the fish. Instead, gently support its body. Reviving the fish before release by holding it in the water and allowing it to swim on its own ensures better recovery.
Using a rubber or wet net reduces damage to the fish’s skin and scales. By following these practices, anglers contribute significantly to sustaining the diverse fish species in Henry’s Fork, including the renowned trout population.
Travel Tips for Budget-Friendly Fishing Trips
Planning a trip to fly fish at the Henry’s Fork of the Snake River in Idaho requires some preparation.
Getting to the Henry’s Fork is easy. The nearest airport is Idaho Falls Regional Airport (IDA), about 90 miles away. Island Park is the closest town for accommodations, which offers various lodging options, from motels to cabins.
Nearest Major Airport:
The closest major airport is Idaho Falls Regional Airport (IDA), approximately a 90-minute drive to the river.
Hub City:
Idaho Falls is a convenient hub city that offers various amenities, including rental car agencies and outdoor shops.
Accommodations:
The area around the river has various lodging options. Visitors can find everything from campgrounds to motels and luxury lodges.
Local Amenities:
In nearby towns, there are restaurants, grocery stores, and outfitters. These can provide any necessary supplies or equipment.
Looking for more places to fish? Check out our DIY Guide to the Best Fly Fishing in Idaho
