Blue Stream Fly Fishing
Fly Fishing Report for:

New Fork - Big Piney - Wyoming

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 Late Morning / Early Afternoon 18-22 Zebra Midge
February Midge Late Morning / Early Afternoon 18-22 Zebra Midge
March Midge Late Morning / Early Afternoon 18-22 Zebra Midge
Blue Winged Olive Late Morning / Early Afternoon 18-20 BWO Emerger
April Midge Late Morning / Early Afternoon 18-22 Zebra Midge
Blue Winged Olive Late Morning / Early Afternoon 16-18 BWO Emerger
May Blue Winged Olive Late Morning / Early Afternoon 16-18 BWO Emerger
Caddis Evening 12-16 Elk Hair Caddis
June Caddis Evening 12-16 Elk Hair Caddis
Stoneflies Evening 8-12 Golden Stone
PMD Late Morning / Early Afternoon 14-18 PMD Emerger
July Caddis Evening 14-16 Elk Hair Caddis
Stoneflies Evening 8-12 Golden Stone
PMD Late Morning / Early Afternoon 14-18 PMD Emerger
Hoppers Midday 6-10 Foam Hopper
August PMD Late Morning / Early Afternoon 14-18 PMD Emerger
Hoppers Midday 6-10 Foam Hopper
September Hoppers Midday 6-10 Foam Hopper
Mahogany Dun Late Afternoon / Evening 14-16 Dun Pattern
October Mahogany Dun Late Afternoon / Evening 14-16 Dun Pattern
November Midge Late Morning / Early Afternoon 18-22 Zebra Midge
December Midge Late Morning / Early 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 New Fork River and Big Piney provide some of the most exceptional fly-fishing spots in Wyoming. Known for their robust trout populations, they offer a range of scenic and productive fishing venues.
  • New Fork Lakes: This spot generally produces large cutthroat trout and offers impressive mountain views.
  • Boulder Lake: Fly-fishing here in spring offers a chance to catch brown, rainbow, and brook trout. It’s a perfect place for an afternoon picnic after a morning fish.
  • Daniel’s Junction on the New Fork: This spot boasts a concentration of big trout, enhanced by a fish feeding program.
  • Upper Green River: Located just downstream from the junction of the New Fork and Green river, this spot is abundant with rainbow and brown trout.
  • Warren Bridge Access on the Green River: This area of the Green River produces some sizable brown trout with a scenic backdrop.
Remember to always check current fishing conditions and regulations before heading out.

Best Access Points

The New Fork – Big Piney is a fantastic location for fly fishing enthusiasts. Here are the best access points:

  • Trapper’s Point: One of the most popular starting points, this location provides ample room for casting and strong trout populations.
  • Stuart’s Crossing: This access point provides a diverse ecosystem, attracting a wide variety of fish species.
  • Snake River Confluence: Where the New Fork meets the Snake River is a legendary spot. With deeper waters, bigger fish are common here.

For those who are looking to camp out and fish, there are some excellent spots:

  1. Piney Island Campgrounds: Just upstream of the confluence with the Green River, this campground provides river-side campsites.
  2. Green River Lakes Campground: This campground is located at the headwaters of the Green River, with exceptional fly fishing spots.

Local Fish

  • Brook Trout: Brook trout are native to Wyomings’s waters and are a popular species fly fishermen target on the New Fork – Big Piney rivers.
  • Brown Trout: A slightly more challenging to catch species, brown trout in these rivers often grow larger than average, making them a rewarding catch.
  • Rainbow Trout: Known for their fighting strength, Rainbow trout are a sought-after fish by anglers in the New Fork – Big Piney rivers.
  • Cutthroat Trout: The state fish of Wyoming, Cutthroat trout are particularly favored by fly fishing enthusiasts in local waters.
  • Whitefish: An often-overlooked species, Mountain Whitefish can be an enjoyable target for fly fishers in the New Fork – Big Piney rivers.
  • Arctic Grayling: Known for their beautiful dorsal fin, Arctic Grayling are a unique species that can be found in these rivers.
  • Golden Trout: The gold color and unique markings of Golden trout make them a beautiful and appealing target for fly fishermen.
  • Lake Trout: While not as common in the rivers, Lake Trout are still a favorite species for some local anglers in the area.

About The River

Fondly known as the gateway to the Wind River Mountains, New Fork – Big Piney is steeped in captivating history. Established in the early 20th century, Big Piney is recognized as the oldest town in Sublette County, Wyoming. Known for its refreshing climate, it was dubbed the ‘Ice Box of the Nation‘ in the 1930s.

  • The New Fork, a major tributary of the Green River, boasts a rich legacy tied to the fur trade era, influencing the region’s economy and infrastructure.

  • Big Piney was originally a rendezvous spot for trappers and merchants, making it a vibrant hub of social and commercial exchange.

  • In its early days, the town thrived on cattle ranching and oil mining, shaping its cultural identity.

Overall, New Fork–Big Piney’s compelling history gives visitors a rare, authentic glimpse into America’s picturesque frontier life.

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