Blue Stream Fly Fishing
Fly Fishing Report for:

Beaverhead River - Dillon - Montana

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 Midges Afternoon 18-22 Zebra Midge, Top Secret Midge
Winter Stoneflies Afternoon 16-20 Black Stonefly Nymph
February Midges Afternoon 18-22 Zebra Midge, Top Secret Midge
March Midges Afternoon 18-22 Zebra Midge, Top Secret Midge
Winter Stoneflies Afternoon 16-20 Black Stonefly Nymph
Blue Wing Olives Late Afternoon 18-20 Sparkle Dun
April Blue Wing Olives Afternoon 16-20 Sparkle Dun
Midges Afternoon 18-22 Zebra Midge
March Brown Morning, Afternoon 12-14 March Brown Dun
May Caddis Evening 14-16 Elk Hair Caddis, Iris Caddis
Blue Wing Olives Evening 18-20 Blue Wing Olive
Midges Afternoon 18-22 Zebra Midge
Pale Morning Dun Morning 16-18 Pale Morning Dun Parachute
June Pale Morning Dun Morning 14-16 Pale Morning Dun Parachute
Yellow Stonefly Evening 8-12 Yellow Stimulator
Green Drake Afternoon 10-12 Green Drake
July Spruce Moth Morning 10-12 Stimulator Spruce Moth
Hoppers Mid Day 8-12 Hopper Pattern
Caddis Late Evening 14-16 Elk Hair Caddis
Pale Morning Dun Morning 14-16 Pale Morning Dun Parachute
August Spruce Moth Morning 10-12 Stimulator Spruce Moth
Hoppers Mid Day 8-12 Hopper Pattern
Caddis Late Evening 14-16 Elk Hair Caddis
September Hoppers Mid Day 8-12 Hopper Pattern
Blue Wing Olives Evening 18-20 Blue Wing Olive
Caddis Evening 14-16 Elk Hair Caddis
October Blue Wing Olives Afternoon 18-20 Blue Wing Olive
Caddis Afternoon 14-16 Elk Hair Caddis
November Midges Afternoon 18-22 Zebra Midge
December Midges Afternoon 18-22 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 Beaverhead River in Dillon, Montana is a renowned landmark for fly fishing enthusiasts. It’s home to a variety of fish species and boasts picturesque spots that enhance the fishing experience. Here are a few favored locations:
  • Poindexter Slough: An easily accessible, spring-fed channel with high densities of trout.
  • High Bridge: A stretch from High Bridge to Pipe Organ Bridge is known for larger fish, particularly brown trout.
  • Dewey’s Hole: Just below Barrett’s Dam, it’s a popular spot with pools and riffles teeming with trout.
  • Clark’s Lookout State Park: Provides easy public access and more relaxed fishing.
  • Barrett’s Park: A tail-water stretch, perfect for wading and offers larger trout.
Remember each spot provides something unique, keep in mind season, water flows and hatch patterns for a fruitful fly fishing trip.

Best Access Points

The Beaverhead River – Dillon has several excellent points for avid fly fishing enthusiasts. The following access points are ideal :

  • High Bridge: This point has easy access and often less crowded due to its offbeat location.
  • Poindexter Slough: A tailwater fishery, it’s open for fishing all year and attracts less recreational floaters.
  • Clark Canyon Reservoir: A quick 20-mile drive from Dillon, it is the Beaverhead River’s primary source. It is stocked with rainbow and brown trout, making it a major draw for fly fishermen.
  • Barretts Park: Located just north of Dillon, it’s a popular spot due to convenient access and plenty of public space.
  • Grasshopper Creek: This creek offers a rugged fishing experience and is best for experienced fishermen.

Before you head out, always ensure that you have the necessary fishing permits and adhere to the local fishing regulations.

Local Fish

  • Brown Trout: The Beaverhead River is famous for its large population of brown trout, making it a favorite spot for anglers.
  • Rainbow Trout: Known for their fighting spirit, Rainbow trout are also a major target for fly fishing in this area.
  • Cutthroat Trout: This native Montana fish is another important species targeted by fly fishermen on the Beaverhead River.
  • Mountain Whitefish: While often overlooked, the Mountain Whitefish is a common catch on the Beaverhead and can provide plenty of sport for fly fishermen.
  • Burbot: This lesser-known fish species is also targeted in the Beaverhead River due to its unique appearance and fight.
  • Yellow Perch: An abundant species in the Beaverhead River that can provide non-stop action for fly fishers.
  • Brook Trout: The smallest of the trout species found in the Beaverhead River, Brook Trout offer a different challenge for fly fishermen.
  • Northern Pike: A large predatory fish species. While not as common as the trout species mentioned, fly fishing for Northern Pike in the Beaverhead River can be a thrilling experience.

About The River

The Beaverhead River is a wildly fascinating water body situated in Dillon, Montana, offering a picturesque and rich history. Originating from Clark Canyon Reservoir, it winds its way north as an important tributary of the Jefferson River.

This world-class trout fishery, was discovered more than 200 years ago by the Lewis and Clark Expedition and named for a rock formation in its upper reaches, which resembled a beaver’s head.

Over time, the Beaverhead River has served multiple purposes. In the past, it played a vital role as a watering source for Native American tribes and early settlers. In the present day, it’s regarded as a hub for recreational activities such as fishing, boating, and wildlife viewing, drawing visitors from all over the globe.

In spite of substantial changes over centuries, the river continues to be a remarkable manifestation of nature’s endless beauty and resilience.

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