Top fish species at Johnson Flat Reservoir

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Check which species have trophy potential in Johnson Flat Reservoir

Johnson Flat Reservoir fishing reports

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Brown trout

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Brown trout

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Rainbow trout

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Rainbow trout

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Rainbow trout

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Sea trout

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General info

Johnson Flat Reservoir is a lake located in Wyoming, United States. It is most popular for fishing Rainbow trout, Brown trout, and Sea trout.

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Only johntoolenjr fishes here

Location

42Β°11β€²11.4β€³N 105Β°57β€²39.6β€³W
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When is the Brown trout biting in Johnson Flat Reservoir?

Learn what hours to go fishing at Johnson Flat Reservoir. Download the app today and get started looking for fishing spots, prepare for your next fishing trip, and try out our BiteTimeβ„’ feature, explore fishing spots, and save relevant baits to prepare for your next fishing trip.

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Fishing regulations at Johnson Flat Reservoir, WY

Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.

Fishing regulations in Wyoming can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.

Below you will see fishing regulations for catching species as of April 16, 2025. To view regulations for a different fish species, please click on your preferred species in the drop-down.

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FAQ about Johnson Flat Reservoir fishing

Johnson Flat Reservoir is a lake located in Wyoming, United States. Its coordinates are:
42Β°11β€²11.4β€³N 105Β°57β€²39.6β€³W
.
Find the best fishing spots on Johnson Flat Reservoir by looking at where other anglers have caught fish. This can easily be done in the where it is also possible to see big fish potential and how good fishing is right now along with Navionics depth maps.
The most common species in Johnson Flat Reservoir are:
  • Rainbow trout - 1 members reported to have caught this fish
  • Brown trout - 1 members reported to have caught this fish
  • Sea trout - 1 members reported to have caught this fish
The latest Johnson Flat Reservoir fishing reports are:
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