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Brown Trout

Brown Trout

Brown Trout are not native to Wisconsin but have become a cornerstone of the state's trout fishery since their introduction in 1887.

These European natives were first brought from Germany and Scotland, creating what biologists call 'American generic Brown Trout' - a mix of various European strains that have adapted to Wisconsin waters over 140+ years.

Scientific Name: Salmo trutta

Physical Characteristics:
  • They're longer-lived than brook trout, grow larger, and tolerate slightly warmer waters.

What to know

Habitat Distribution

  • Brown trout thrive in Wisconsin's Dr.iftless Area streams, spring-fed waters of Central Wisconsin, and tributaries to Lakes Superior and Michigan.
  • They prefer cold, clear waters with undercut banks, overhanging vegetation, and structure like fallen trees and deep pools.

Key Locations

  • Wisconsin boasts over 13,000 miles of trout streams, with more than 5,000 classified as high-quality Class I streams.
  • Brown trout thrive in Wisconsin's Dr.iftless Area streams, spring-fed waters of Central Wisconsin, and tributaries to Lakes Superior and Michigan.
  • Wisconsin maintains excellent brown trout fisheries in streams like the Kinnickinnic River (6,000-8,000 trout per mile), Namekagon River, and throughout the Bear Creek Watershed.
  • In streams like Castle Rock Creek, Crooked Creek, and the Big Green River.
  • Southern Lake Michigan from Racine to Milwaukee offers exceptional brown trout trolling opportunities.

Specific Spots

  • Target structure like undercut banks, deep pools outside stream bends, areas with surface turbulence, large rocks, and fallen logs where brown trout seek cover.
  • Focus on deep current areas and pools.

Brown Trout FAQ

Answers from onWater's species guide.

What are the best lures and bait for Brown Trout in Wisconsin?

Small spinners (Panther Martin, Rooster Tail), minnow-type plugs, and spoons. For Great Lakes: diving plugs like Mag Lip 3.5, Kwik-Fish K-9, and Storm Hot n Tot.

What flies work for Brown Trout in Wisconsin?

Parachute Adams, Elk Hair Caddis, Blue Winged Olives, Hare's Ears, Prince Nymphs, Pheasant Tails, and Copper Johns. Terrestrial patterns like grasshopper imitations work well in summer.

When is the best time to fish for Brown Trout in Wisconsin?

Brown trout fishing in Wisconsin is excellent year-round with peak seasons being spring through fall. The early catch-and-release season runs January 4 - May 2 (artificial lures only), followed by the general season May 3 - October 15.

How do you catch Brown Trout in Wisconsin?

For fly fishing, use productive patterns. For spin fishing, use small spinners, minnow-type plugs, and spoons. For Great Lakes brown trout, trolling with diving plugs behind planer boards is effective, especially near warm water discharges and feeder creek mouths.

What do Brown Trout eat?

Brown trout are opportunistic predators with diets that evolve with age - juveniles feed primarily on aquatic insects (mayflies, caddisflies, stoneflies, midges), while adults increasingly consume minnows, crayfish, and terrestrial insects.

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