Today on Biron
· Tomorrow & the week: Lake Report or Premium →Best fishing times
All fishTimes by species available in Premium
Wind & weather
National Weather ServiceWhat Biron is best for
DNR data
WalleyeCommon7.4
SmallmouthCommon6.8
MuskyPresent · stocked5.3
BluegillPanfish, present4.3
PerchPanfish, present4.3
CrappiePanfish, present4.3
LargemouthPresent4.3
Northern pikePresent4.3How we rate
Start from how common the DNR says the fish is (abundant 7.5, common 6, present 3.5). Add 1 if the DNR stocked it in the last 5 years, 0.6 for walleye in two-story or complex lakes, and up to 0.9 for lake size. The DNR counts bluegill, perch and crappie together as panfish, so they share a score.
Depth map
None publishedThe DNR has no depth map online for Biron.
Not for navigation. Old survey; depths and weed lines change.
Rules on this lake
DNR · checked 2026-10-08| Walleye | 15" min · keep none 20–28" · 1 over 28" · 3 a dayOpen All Year | Open |
| Musky | 50" min · 1 a dayMay 2, 2026 to December 31, 2026 on open water | Open |
| Northern pike | 32" min · 1 a dayOpen All Year | Open |
| Bass | 14" min · 5 a dayOpen All Year | Open |
| Panfish | No size limit · 25 a dayOpen All Year | Open |
| Sturgeon | No fishing | Closed |
| Catfish | No size limit · 10 a dayOpen All Year | Open |
Launches & access
1 public- AccessDirections
Stocking
DNR records| 2023 | 426 muskellunge large fingerling, 11.2" |
| 2018 | 195 muskellunge large fingerling, 11.7" |
| 2017 | 200 muskellunge yearling, 13" |
| 2016 | 1,063 muskellunge large fingerling, 10.7" |
| 2015 | 1,063 muskellunge large fingerling, 11.3" |
The DNR has 19 fish surveys on file for this lake.
Before you go
DNRThis is health advice about eating fish, from the DNR. It is not how many you can catch or keep. Catch limits are in Rules.
Eat any amount Bluegill And Sunfish, Bullheads, Crappies, Inland Trout, Yellow Perch
Up to 1 meal a week All Other Species And Sizes, Bass, Catfish, Pike, Walleye
Up to 1 meal a month Carp, Muskies, Redhorses
Advice for this water. Stricter for women who may get pregnant and children under 15. DNR detailsEurasian Water-Milfoil · Yellow Iris
Drain all water, remove plants and animals, and never move live fish or bait to another lake.Ice on Biron
Reports & estimateReviews
No reviews yetNear Biron
Local dealsLocal bait shops, resorts and supper clubs can put a coupon here and on the printed sheet, free for a year. Add your business
Biron board
Catches & reportsLakes near Biron
Within 25 miles| Lake | Miles | Acres | Max depth |
|---|---|---|---|
| Wisconsin Rapids FlowageWood | 5.9 | 447 | 22 ft |
| Wazeecha Lake*Portage | 6 | 148 | 20 ft |
| Wisconsin R Fl C3-Stevens PtPortage | 8.2 | 2,093 | 25 ft |
| McDill PondPortage | 8.7 | 261 | 15 ft |
| Nepco LakeWood | 9.5 | 494 | 29 ft |
| Nekoosa FlowageWood | 11.5 | 452 | 17 ft |
| Jordan PondPortage | 13.9 | 84 | 10 ft |
| Camelot LakeAdams | 16.7 | 445 | 24 ft |
Biron questions
How deep is Biron Flowage?
Biron Flowage is 23 feet at its deepest. It covers 2,187 acres.
What fish are in Biron Flowage?
The Wisconsin DNR lists smallmouth bass (common), walleye (common), musky (present), panfish (present), largemouth bass (present), northern pike (present), sturgeon (present) and catfish (present).
Where is the boat launch on Biron Flowage?
There is 1 public launch: Access.
Do I need a trout stamp to fish Biron Flowage?
A Wisconsin fishing license covers this lake. No trout or Great Lakes stamp needed here.
What is the walleye limit on Biron Flowage?
15" min · keep none 20–28" · 1 over 28" · 3 a day. Season: Open All Year.
Is Biron Flowage stocked?
Yes. In 2023 the DNR and partners stocked 426 muskellunge (large fingerling).
Fish it longer
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Sources: Wisconsin DNR (lake facts, species, rules, stocking, consumption advice, survey map), National Weather Service (forecast). Sun and moon computed for the lake's location. Best times are a model of light and moon, not a promise. Checked 2026-10-08.