Blue Stream Fly Fishing
Fly Fishing Report for:

Boise River - Middle Fork - Idaho

Hatch Chart - Best Access/Spots - Local Fish - About

Water Flow Chart

Using Water Flow Charts & Weather Reports: Begin with our water flow charts to grasp stream velocity and volume – look for stable or rising trends to pinpoint ideal fishing times. Learn to interpret sudden spikes or drops, which can indicate potential challenges. Next, consult our weather reports to understand ambient conditions. Pairing the two, you can anticipate fish behavior, choose the right gear, and select the best fishing spots. Use these tools together for a holistic approach to your next fishing adventure.

In-Depth Weather

Directions To Location

Hatch Chart

Month Hatch Time of Day Recommended Fly Sizes Popular Fly Patterns
January Midge Afternoon 18-24 Zebra Midge
February Midge Afternoon 18-24 Zebra Midge
March Blue Winged Olive Noon - Dusk 16-20 Parachute BWO
April Blue Winged Olive Noon - Dusk 16-20 Parachute BWO
Caddis Noon - Dusk 14-18 Elk Hair Caddis
May Blue Winged Olive Noon - Dusk 16-20 Parachute BWO
Salmonfly Morning - Dusk 2-6 Chubby Chernobyl
June Salmonfly Morning - Dusk 2-6 Chubby Chernobyl
Green Drake Afternoon - Dusk 8-12 Parachute Green Drake
July Green Drake Afternoon - Dusk 8-12 Parachute Green Drake
Yellow Sally Afternoon 14-16 Yellow Sally Stonefly
August Yellow Sally Afternoon 14-16 Yellow Sally Stonefly
Grasshopper Morning - Dusk 6-12 Dave's Hopper
September Blue Winged Olive Noon - Dusk 16-20 Parachute BWO
October Blue Winged Olive Noon - Dusk 16-20 Parachute BWO
November Midge Afternoon 18-24 Zebra Midge
December Midge Afternoon 18-24 Zebra Midge

While we strive to ensure the precision of our hatch charts, some reflect broader river region insights. Through ongoing partnerships with local guides and fly shops, we’re committed to refining our data. Should you notice any inconsistencies or have feedback, we welcome you to reach out. 

Best Fishing Spots

The Boise River – Middle Fork offers remarkable spots for fly fishing filled with rich aquatic life and scenic beauty.
  • Atlanta Bridge: A haven for many trout species, the waters beneath the bridge provide excellent grounds for fly fishing, offering exciting challenges for all levels of anglers.
  • Queens River: A favorite among locals, this area of the Middle Fork teems with cutthroat and brook trout, thanks to being fed by many pristine creeks.
  • Elk Creek: This feeder creek’s slower moving waters are an ideal spot for beginners and those looking for a relaxing fishing experience.
  • Grandjean Bridge: Known for abundant rainbow trout, this spot is a paradise for fly fishing. As it’s a bit remote, it often offers a more peaceful angling experience.
  • Cabin Creek: Offering a wide variety of species, including rainbow, cutthroat, and brook trout, Cabin Creek is a must-visit for keen fly fishermen.

Best Access Points

Fly fishing enthusiasts will find a wide array of excellent access points along the Middle Fork of the Boise River. These access points stand out for their fishing quality and wild beauty:

  • Pine Flats Campground: This is a perfect spot for catching rainbow trout.
  • Jean Creek: 10 miles upstream from Atlanta, you will find Jean Creek, known for its native cutthroat trout.
  • Atlanta Bridge: A popular spot for anglers, the Atlanta Bridge area offers opportunities to catch bull trout.

To fully enjoy these fishing spots, take note of these tips:

  1. Wade carefully to avoid disturbing the water and scaring off fish.
  2. Use flies that mimic the local bug life.
  3. Always check local fishing regulations before you start.

Local Fish

  • Trout: This species is perhaps the most popular among fly fishers in the Middle Fork of the Boise River. The river is home to both Rainbow and Brown Trout.
  • Mountain Whitefish: This unique species can prove to be a fun challenge for fly fishers. They are most often found in the deeper, slower sections of the river.
  • Bull Trout: Although these require special handling, Bull Trout are often targeted due to their strength and impressive size.
  • Redband Trout: These are a native species in Idaho and can be found in the Middle Fork of the Boise River.
  • Cutthroat Trout: The Boise River’s Middle Fork features the Westslope Cutthroat, a subspecies of Cutthroat Trout.
  • Brook Trout: While not native to the region, Brook Trout have established a self-sustaining population in the river’s Middle Fork.
  • Chinook Salmon: Although less common, Chinook Salmon runs occur in the Middle Fork of the Boise River, offering anglers a unique fly fishing opportunity.
  • Steelhead Trout: Similar to the Chinook Salmon, Steelhead Trout are a rarer find but provide an exhilarating fight for fly fishers when they are caught.

About The River

The Boise River – Middle Fork carves its way through the heart of Idaho, providing a breathtaking waterway rich in history and natural beauty. It originates from the Sawtooth Mountain range, winding its way through beautiful forests and valleys.

The Middle Fork’s story began millennia ago, sculpted by glacial activity. This river has always been an essential part of the soft life in the region, used by Native American tribes for fishing and nourishment. Later, during the 19th century, it became a hub for the local mining industry.

Today, the Middle Fork of the Boise River is a beloved natural resource, catering to a variety of recreational activities such as fishing, white-water rafting, and camping.

  • Origin: Sawtooth Mountain range
  • Historic Importance: Used by Native tribes and later became a hub for mining
  • Current Uses: Recreation – fishing, white-water rafting, and camping.

For lovers of history, nature, and adventure, the Middle Fork is a testament to Idaho’s diverse and beautiful landscapes.

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