Blue Stream Fly Fishing
Fly Fishing Report for:

Flat Creek - Below Cache Creek - 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 Midges Warmest part of day #20-#24 Zebra Midge, Griffith's Gnat
Winter Stoneflies Midday #16-#20 Black Stonefly Nymph
February Midges Warmest part of day #20-#24 Zebra Midge, Griffith's Gnat
Winter Stoneflies Midday #16-#20 Black Stonefly Nymph
March Blue Winged Olives Afternoon #18-#20 Comparadun, WD-40
Midges Warmest part of day #20-#24 Zebra Midge, Griffith's Gnat
April Caddis Afternoon #14-#18 Elk Hair Caddis, X-Caddis
Mayflies Afternoon #12-#14 Parachute Adams, Hare's Ear Nymph
May March Browns Late Morning to Afternoon #10-#14 March Brown Sparkle Dun
Caddis Afternoon to Dusk #14-#18 Elk Hair Caddis, X-Caddis
June Green Drakes Afternoon to Dusk #8-#12 Green Drake Parachute
Yellow Sally Stoneflies Afternoon to Evening #14-#16 Yellow Sally
July Terrestrials (Hoppers, Beetles, Ants) Mid Morning to Late Afternoon #10-#14 Parachute Hopper, Foam Beetle
Caddis Afternoon to Dusk #14-#18 Elk Hair Caddis, X-Caddis
August Terrestrials (Hoppers, Beetles, Ants) Mid Morning to Late Afternoon #10-#14 Parachute Hopper, Foam Beetle
Tricos Early Morning #20-#24 Trico Spinner, Trico Dun
September Blue Winged Olives Afternoon #18-#22 Comparadun, WD-40
Terrestrials (Hoppers, Beetles, Ants) Mid Morning to Late Afternoon #10-#14 Parachute Hopper, Foam Beetle
October Blue Winged Olives Afternoon #18-#22 Comparadun, WD-40
Caddis Afternoon #14-#18 Elk Hair Caddis, X-Caddis
November Midges Warmest part of day #20-#24 Zebra Midge, Griffith's Gnat
Blue Winged Olives Afternoon #18-#22 Comparadun, WD-40
December Midges Warmest part of day #20-#24 Zebra Midge, Griffith's Gnat
Winter Stoneflies Midday #16-#20 Black Stonefly Nymph

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

Flat Creek, located below Cache Creek, is a popular fly fishing destination in Wyoming, USA which boasts a variety of idyllic spots with a high density of Snake River Cutthroat trout.

Popular Fly Fishing Locations:

  • South Park Wildlife Refuge: A gem for trout fishing, South Park Wildlife Refuge has deep holes and strong currents with plenty of available amenities. It is open from August to October.
  • River Bend: River Bend offers a faster-flowing, narrower section of the river, ideal for those looking for a challenge. The area is surrounded by lush vegetation and offers fantastic wildlife sightings.
  • Moose Ponds: This area is comprised of several small ponds, where the water is slower moving and the fish are larger. It’s best for experienced anglers due to the technical casting required.
  • Reservoir Outflow: Near the National Elk Refuge, the outflow section offers anglers a chance to catch a variety of fish species, including sculpins and larger trout.

Best Access Points

The Flat Creek below Cache creek offers several notable access points for fly fishing. These offer diverse opportunities to catch the locale’s abundant trout and grayling fishes.

  • Snake River Access: From Jackson, head northwest along the US-89/U-191 highway. Watch out for the Snake River Turnout; it typically offers excellent fishing.
  • Saddle Butte Access: A few miles downstream from Snake River, on a well-maintained path, this spot is perfect for fly fishing. Waders are recommended for iniating the stream.
  • Million Dollar Bridge: Further south on the US-89 in a national elk refuge, Million Dollar Bridge offers fantastic access for anglers looking for solitude and broad access points to the stream.
  • Flat Creek on National Elk Refuge: While access is restricted during the winter season to protect elks, the late summer and early fall offer exceptional fly fishing opportunities in this picturesque spot.

Local Fish

  • Yellowstone Cutthroat Trout: This is the original, native trout of the West.
  • Rainbow Trout: Named for their vibrant coloration, they are a popular target for fly fishermen.
  • Brook Trout: An exotic species, they are now common and loved for their beautiful colors.
  • Brown Trout: Another exotic species, they can grow quite large and offer a significant challenge to fishermen.
  • Mountain Whitefish: Typically considered bycatch, they nonetheless provide a good fight and sometimes surprise with their size.
  • Snake River Fine-Spotted Cutthroat: A subspecies of cutthroat, they are found primarily in the Snake River system, which includes Flat Creek.
  • Arctic Grayling: A northern species introduced in the 1890s, they are now a rare and treasured catch.
  • Westlope Cutthroat Trout: Another native trout, they are not as prolific as the Yellowstone cutthroat but still present in the Flat Creek

About The River

Take a journey back in time with the rich history of Flat Creek-Below Cache Creek: a magnificent beauty nestled in the heart of wilderness. This area has been a bustling hub of activity since the Gold Rush era in the 1800s. It was used primarily by miners who were drawn to California’s ‘Golden State’ promise.

Over the centuries, it has evolved, evolving from wild frontier to a flourishing, eco-rich reserve. Today, it is home to several species of animals, plants, and birds, making it a natural paradise. Here are some eye-catching facts about it:

  • The Cache Creek was originally named by the French trappers in the 1800s.
  • Gold was discovered in the Flat Creek area in 1851, sparking a gold rush.
  • Today, the area serves both as a bustling tourist spot and a haven for wildlife and biodiversity.

Visit the Flat Creek-Below Cache Creek to immerse yourself in its captivating history, lush landscapes and vibrant wildlife.

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