Wisconsin Trout Fishing Regulations Guide

Everyone 16 and older needs a valid Wisconsin fishing license to fish for trout. Licenses are issued by the Wisconsin Department of Natural Resources (WDNR) — buy online at the DNR Go Wild site, at WDNR offices, or at authorized retailers.

• Annual resident fishing license — $20.
• Inland trout/salmon stamp — $10. Required in addition to the basic license to fish for trout in inland waters.
• Resident total to fish for trout — $20 + $10 = $30.
• Non-resident — annual non-resident fishing license + the same $10 trout stamp. Verify current non-resident pricing on the WDNR site.
• License year — Wisconsin fishing licenses are valid April 1 through March 31 of the following year.

Wisconsin’s general inland trout season opens the first Saturday in May and runs through October 15 on most inland waters. The 2026 opener falls on May 2. The opener is a significant event in Wisconsin trout culture — Driftless fly shops fill, lodges book out, and the season begins on a single morning across the state.

• General inland trout season — first Saturday in May through October 15 on most trout water.
• Early-season catch-and-release window — many Driftless and select inland waters have an early-season catch-and-release season opening in early March (artificials only). Verify per-water rules in current WDNR guidance.
• Spring steelhead seasons — Lake Michigan and Lake Superior tributaries (Bois Brule, Oconto, others) have specific steelhead seasons separate from inland trout. Verify the WDNR Lake Michigan/Lake Superior Tributary Trout & Salmon Regulations.
• Verify per water — Wisconsin’s per-stream variation is significant. Always check the current WDNR trout map and regulations booklet for the specific stretch you plan to fish.

The Wolf River in Langlade County is one of Wisconsin’s great freestone trout rivers — but the state-managed fishery only extends to Hwy M. Everything below Hwy M is on the Menominee Indian Reservation and is tribal water.

• State license valid only above Hwy M — your Wisconsin Fishing License + trout stamp covers state-managed water above the boundary.
• Below Hwy M requires a Menominee tribal permit — fishing without one is illegal regardless of any state license you hold.
• Tribal permits — issued by the Menominee Indian Tribe of Wisconsin. Verify current permit availability and pricing through tribal channels before planning a trip.

The Bois Brule River in Douglas County is the most-storied trout and steelhead river in northern Wisconsin — fished by five U.S. presidents and home to wild brook trout, brown trout, and a strong run of Lake Superior steelhead. The Brule’s regulations are unusually complex: multiple section-specific seasonal closures protect spawning fish.

• Night fishing prohibited — across the Brule. The Hex hatch on the Brule is fished to the last legal hour of daylight rather than overnight as on other Hex waters.
• Box Car Hole closed July 15 – October 31 — protects spawning fish.
• Mays Ledges closed September 1 – May 31 — long winter/spring closure protects key holding water.
• Rainbow trout: 26″ minimum, 1-fish kept limit — large minimum protects lake-run rainbow / steelhead. Catch-and-release strongly recommended the rest of the year regardless.
• Verify before every trip — section boundaries and dates are spelled out in the current WDNR Lake Superior Tributary regulations.

Black Earth Creek west of Madison carries a famous trophy-water special regulation on its most-protected reach.

• South Valley Road downstream to Hwy 14 — 18″ minimum size, 1-fish bag limit.
• Artificials only — in the most-protected reach within this section.
• Outside the special-reg section — standard inland trout regulations apply. Verify the boundaries in the current WDNR trout map for Dane County.

The Blue River in Grant County carries an Enhanced Resource Waters (ERW) designation — meaning catch-and-release only, artificials only on the protected sections. ERW is Wisconsin’s most stringent trout-water protection tier.

• Catch-and-release only — every fish goes back, every time, on ERW reaches.
• Artificials only — no bait. Single-hook artificial flies and lures.
• Year-round application — when the section is open, ERW protections apply.
• Other ERW waters in Wisconsin — check the WDNR ERW list. The designation is reserved for waters with high wild-fish density and habitat quality.

Wisconsin’s Driftless Area (Vernon, Dane, Grant, Crawford, Richland counties and surrounding) carries the heaviest concentration of special-regulation trout water in the state. The patterns vary stream by stream:

• Artificials-only sections — common on prime Driftless reaches.
• Reduced bag limits and increased size minimums — protect wild trout populations.
• Early catch-and-release season — many Driftless waters open early March for catch-and-release with artificials only.
• Public-access easements — Wisconsin’s extensive easement program means much of the prime Driftless trout water flows through private land with public stream-bank access. Respect easement boundaries (typically 66 feet from stream center) and never access through posted private land.
• Verify each section — the WDNR trout map is the authoritative reference. Print a paper copy or save offline coverage; cell service in Driftless valleys is poor.

Wisconsin’s Lake Michigan tributaries (Oconto and others) and Lake Superior tributaries (Bois Brule, smaller streams) host strong spring and fall runs of steelhead and lake-run brown trout. These fisheries operate under separate regulations from inland trout.

• Tributary-specific seasons — steelhead seasons on tributaries differ from the general inland trout season. Verify per-river.
• Bag and size limits — vary by tributary. Bois Brule: 26″ minimum, 1-fish kept on rainbow trout.
• Spring run timing — fish enter rivers from late February through April depending on water temperature and tributary.
• Fall run timing — September through November; Bois Brule fall steelhead season is one of the most-anticipated in the upper Midwest.

Buy licenses, the trout/salmon stamp, and read the current regulations at dnr.wisconsin.gov. The WDNR trout map and the annual trout regulations booklet are the authoritative section-by-section references. Print a paper copy before heading to the Driftless — cell coverage in coulee country is unreliable.