Biron Flowage Fishing
A 2,187-acre Wisconsin flowage in Portage County and Wood County, down to 23 feet.
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Biron Flowage, the essentials
Biron Flowage covers 2,187 acres in Portage County and Wood County, according to the WDNR Find a Lake record. The WDNR gives a maximum depth of 23 feet. Groceries and gas are in Biron, around 3 miles from the water. On the WDNR map it belongs to the West Central Region. In the DNR lake classification it is complex riverine.
WDNR lists smallmouth bass, walleye, catfish, largemouth bass, muskellunge and northern pike for it. Boaters use 1 public boat landing. Clarity from satellite data averages 4 feet (2017).
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WDNR rates each fish group in Biron Flowage as abundant, common or present.
| Fish group | WDNR abundance |
|---|---|
| Smallmouth Bass | Common |
| Walleye | Common |
| Catfish | Present |
| Largemouth Bass | Present |
| Musky | Present |
| Northern Pike | Present |
| Panfish | Present |
| Sturgeon | Present |
Fishery outlook for Biron Flowage by class
“Complex riverine lakes often support great fisheries for riverine species like smallmouth bass, and in some systems, walleye.”
WDNR Find a Lake fish list and abundance, WDNR lake classification and fisheries designation layers, checked October 2026.
Putting in on Biron Flowage
- Hwy U Boat Ramp2 lanes, 6 to 10 trailer stalls, boarding dock, restroom, Parks & Forestry Dept.
Nearby ramps for Biron Flowage
- Wisconsin Rapids Flowage AccessWisconsin Rapids Flowage, 4 miles west
- Galecke Park Boat RampWisconsin River, 5 miles east
- Reddin Road AccessWisconsin Rapids Flowage, 6 miles west
- South Wood County Park Boat RampWazeecha Lake, 6 miles south
- Consolidated ParkwayWisconsin River, 7 miles northeast
- Blue Heron LandingWisconsin River, 7 miles east
WDNR Boat Access and Shore Fishing layers and Find a Lake landing table, checked October 2026.
Biron Flowage clarity and bottom
Bottom makeup at Biron Flowage: 60% sand, 30% gravel, 5% rock, 5% muck.
Biron Flowage is a drainage lake (a stream flows in and out).
The DNR lists eurasian water-milfoil and yellow iris as invasive species in Biron Flowage. Never move live bait or water from it.
WDNR Find a Lake page, WDNR Landsat lake clarity layer, checked October 2026.
Limits by species on Biron Flowage
The rows below come from the WDNR Lake Regulation record for Biron Flowage, season by season.
| Species | Season | Rule |
|---|---|---|
| Walleye, sauger and hybrids | Open All Year | The minimum length is 15", but walleye, sauger, and hybrids from 20" to 28" may not be kept, and only 1 fish over 28" is allowed. The daily bag limit is 3. |
| Muskellunge and hybrids | May 2, 2026 to December 31, 2026 on open water | The minimum length limit is 50" and the daily bag limit is 1. |
| Northern pike | Open All Year | The minimum length limit is 32" and the daily bag limit is 1. |
| Largemouth and smallmouth bass | Open All Year | The minimum length limit is 14" and the daily bag limit is 5. |
| Panfish | Open All Year | No minimum length limit and the daily bag limit is 25. |
| Catfish | Open All Year | No minimum length limit and the daily bag limit is 10. |
| Lake sturgeon | Closed | No fishing allowed. |
| Shovelnose sturgeon | Closed | No fishing allowed. |
| Cisco and whitefish | Open All Year | No minimum length limit and the daily bag limit is 10. |
| Rock, yellow and white bass | Open All Year | No minimum length limit and the daily bag limit is unlimited. |
| Bullheads | Open All Year | No minimum length limit and the daily bag limit is unlimited. |
| Rough fish | Open All Year | No minimum length limit and the daily bag limit is unlimited. |
| Paddlefish | Closed | No fishing allowed. |
| White perch | Open All Year | The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office. |
General WDNR note for Biron Flowage: Hook and line fishing is open all year for fish species except muskellunge, lake sturgeon, trout, paddlefish and threatened or endangered species. Motor Trolling is allowed with up to 3 hooks, baits, or lures, per angler.
Portage County note in the guide: With the exceptions below, northern pike regulations follow the northern pike management zones (see page 13). Motor trolling is permitted countywide (three hooks, baits or lures per person).
The Hwy 10 pike line puts Biron Flowage on its south side; bass rows follow the Southern Bass Zone.
WDNR Lake Regulation search and the 2026-2027 Guide to Wisconsin Hook and Line Fishing Regulations, checked October 2026.
WDNR hatchery releases in Biron Flowage
From 2023 through 2023 the DNR logged 1 stockings in Biron Flowage totaling 426 fish.
| Year | Species | Size | Avg length | Number |
|---|---|---|---|---|
| 2023 | Muskellunge | large fingerling | 11.2 in | 426 |
WDNR Fish Stocking Summary, stocking years 2023 to 2025. Wisconsin stocking.
Nearby lakes and Biron Flowage in one table
| Lake | Distance | Acres | Max depth ft | Landings | WDNR class |
|---|---|---|---|---|---|
| Biron Flowage | 2,187 | 23 | 1 | complex riverine | |
| Wisconsin Rapids Flowage | 6 miles southwest | 504 | 22 | 2 | complex riverine |
| Wazeecha Lake | 6 miles south | 140 | 20 | 1 | complex riverine |
| Wisconsin River Flowage Number 2 49 | 7 miles northeast | 228 | 25 | 0 | complex riverine |
| Wisconsin R Fl C3-Stevens Pt | 8 miles northeast | 2,489 | 25 | 3 | complex riverine |
| Springville Pond | 8 miles east | 14 | 10 | 0 | simple trout pond |
WDNR Find a Lake, lake classification and boat access layers.
Places near Biron Flowage
Wisconsin lakes around Biron Flowage
- Wisconsin Rapids Flowage6 miles southwest
- Wazeecha Lake6 miles south
- Wisconsin River Flowage Number 2 497 miles northeast
- Wisconsin R Fl C3-Stevens Pt8 miles northeast
- Springville Pond8 miles east
Where anglers buy bait around Biron Flowage
- Plover Bait Cobait and tackle shop, Plover, 6 miles
- Trading Post, llcbait and tackle shop, Wisconsin Rapids, 7 miles
- Glen's Live Baitbait and tackle shop, Stevens Point, 7 miles
- Bobber Down Live Bait & Tacklebait and tackle shop, Plover, 8 miles
- Cliff's Bait & Tackelbait and tackle shop, Plover, 8 miles
- Walmart Wisconsin Rapidsfarm and general store with fishing gear, Wisconsin Rapids, 8 miles
Home bases for a trip to Biron Flowage
- Biron3 miles
- Lake Wazeecha6 miles
- Rudolph6 miles
County guides for Biron Flowage
- Portage Countyseat: Stevens Point
- Wood Countyseat: Wisconsin Rapids
Piscifun picks matched to Biron Flowage
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Species you may hook at Biron Flowage
Photo: ASprigOfFig at English Wikipedia, Public domain
Photo: USFWS Mountain Prairie, Public domain
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Photo: USFWS Mountain-Prairie, Public domain
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Photo: Cephas, CC BY-SA 3.0
Questions anglers bring up about Biron Flowage
Which WDNR region covers Biron Flowage?
It sits in Portage County and Wood County, WDNR West Central Region, about 3 miles from Biron.
How large and deep is Biron Flowage?
WDNR lists 2,187 acres and 23 feet at the deepest.
Is there a public boat landing on Biron Flowage?
The WDNR maps 1 mapped landing; start with Hwy U Boat Ramp.
What can a Wisconsin angler catch in Biron Flowage?
Expect smallmouth bass (common), walleye (common), catfish (present), largemouth bass (present), muskellunge (present), northern pike (present) and panfish (present).
Does Biron Flowage have its own WDNR regulations?
The Walleye, sauger and hybrids entry reads The minimum length is 15", but walleye, sauger, and hybrids from 20" to 28" may not be kept, and only 1 fish over 28" is allowed. The daily bag limit is 3.
Can out-of-state visitors fish Biron Flowage on a Wisconsin license?
Anglers 16 and older need a Wisconsin fishing license: $20 a year for residents and $55 for nonresidents, with a $5 first-time buyer rate for residents.
Is Biron Flowage a seepage or drainage lake?
Satellite clarity about 4 feet (2017). Bottom: 60% sand, 30% gravel, 5% rock, 5% muck. WDNR class: complex riverine. Type: drainage.
Which tackle shop on our list is nearest Biron Flowage?
Try Plover Bait Co, around 6 miles off.
Does the WDNR stock fish in Biron Flowage?
The 2023 record lists 426 muskellunge.
Plan a Wisconsin lake day on Biron Flowage
Read the lake rules above, then pick a landing.