Blue Stream Fly Fishing
Fly Fishing Report for:

Flat Creek - Above Cache Creek - Wyoming

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

Water Flow Chart

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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

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Directions To Location

Hatch Chart

Month Hatch Time of Day Recommended Fly Sizes Popular Fly Patterns
January Midge Midday #18-#22 Griffith's Gnat
February Midge Afternoon #16-#20 Zebra Midge
March Midge Afternoon #16-#20 Black Midge Pupa
Blue-winged Olive Afternoon #18-#22 Rusty Spinner
April Blue-winged Olive Afternoon #18-#22 Parachute Adams
Caddis Evening #14-#18 Elk Hair Caddis
May Blue-winged Olive Afternoon #18-#22 Rusty Spinner
Caddis Evening #14-#18 X Caddis
Yellowstone Drake Evening #10-#14 Green Drake
June Caddis Evening #14-#18 Elk Hair Caddis
Yellowstone Drake Evening #10-#14 Green Drake
July Caddis Evening #14-#18 Godard Caddis
Stonefly Evening #6-#10 Chubby Chernobyl
August Terrestrials Midday #4-#10 Dave's Hopper
Mahogany Dun Afternoon #12-#16 Adams
September Terrestrials Midday #4-#10 Ant Fly Pattern
Mahogany Dun Afternoon #12-#16 Para Wulff
October Blue-winged Olive Afternoon #18-#22 Parachute Sulphur
Midge Midday #22-#24 Smoke Jumper
November Midge Afternoon #22-#24 Tungsten Zebra Midge
December Midge Midday #18-#22 Griffith's Gnat

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

If you are a fly fishing enthusiast planning to cast your fishing rod on the Flat Creek above Cache Creek, here are some top spots you should consider:

  • Curtis Canyon: Just a few miles from the town of Jackson, this spot is known for its breathtaking views and abundance of cutthroat trout.
  • Flat Creek National Elk Refuge: Open from August to October, this spot offers an incredible fishing experience amidst a unique wildlife setting.
  • Mormon Row: This spot provides excellent fishing holes throughout, especially for float tube fishermen.
  • Shadow Mountain spillway: Accessible by a short hike, it’s the perfect spot for those seeking tranquility and a thriving fish population.
  • Antelope Flats: This spot is known for its consistent hatches which attract large numbers of trout.

Best Access Points

The Flat Creek situated above Cache Creek is a beloved spot for enthusiastic fly fishers. Below are some of the best access points to enjoy the activity:

  • Flat Creek National Elk Refuge: With abundant Cutthroat Trout, it facilitates superb fly fishing. You need to follow the special regulations as it is a refuge area.
  • Cache Creek Bridge: This public access point is another preferable choice for fly fishers, offering a great population of trout.
  • Moose Visitor Center: Not only does it offer a good fishing spot, but it also presents incredible wildlife views.
  • Jackson Ranger Station: This area is less crowded, giving you a peaceful and successful fishing experience.

Ensure that you adhere to the fishing regulations set by the Wyoming Game and Fish Department before heading out.

Local Fish

  • Yellowstone Cutthroat Trout: Unique to the Greater Yellowstone area, these fish are popular targets due to their beauty and aggressive feeding habits.
  • Rainbow Trout: Known for their fight, these trout are a favorite among fly fishers in the area.
  • Brown Trout: This species is known for its sensibility and strong fight when hooked, making it a somewhat challenging but fun fish to catch.
  • Brook Trout: Although smaller than other trout species, brooks are abundant on Flat Creek and offer ample opportunity for catch.
  • Mountain Whitefish: Often underestimated but considered sporty and a good fight on a fly rod.
  • Longnose Dace: This small, easily catchable fish is a good target for beginner fly fishermen and women.
  • Grayling: A rare catch on Flat Creek, but well worth it for their stunning beauty and delicate fight.
  • Green Sunfish: This species provides a colorful catch for those lucky enough to hook one on their line.

About The River

Flat Creek is an intriguing waterway nestled above Cache Creek, holding its own charm and historical significance. Originally named by early settlers, it’s an important part of the area’s environmental system. Its delightful clarity and bubbling streams have carried away years of history.

Key highlights of its history include:

  • The area was a vital trading route for the Indigenous populations, particularly the Nez Perce.
  • Flat Creek was a main source of gold rush in the 1800s, attracting numerous miners in search of treasures!
  • It played an essential role in the logging industry in the early 20th century.

Today, Flat Creek is a paradisiacal natural mecca filled with diverse wildlife. Its serene banks tell a story of a rich history and echoing local folklore, fascinating every visitor at first glance. This seemingly small creek offers a tremendous view into our country’s past.


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