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Big Portage Lake

Vilas County · cool-water, clear water

586Acres
40ftMax depth
18ftAverage depth
1Public launches
VeryWater clarity
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Today on Big Portage

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Best fishing times

All fish
GoodFairSlow
Best today…

Times by species available in Premium

Wind & weather

National Weather Service
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What Big Portage is best for

DNR data
WalleyeCommon7.2
SmallmouthCommon6.6
BluegillPanfish, present4.1
PerchPanfish, present4.1
CrappiePanfish, present4.1
LargemouthPresent4.1
How 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

Wisconsin DNR

Tap a map to zoom. Pinch or scroll to zoom in, drag to move.

✕ Deepest spot, 40 ftDNR survey map (PDF)

Not for navigation. Old survey; depths and weed lines change.

Rules on this lake

DNR · checked 2026-10-08
WalleyeNo size limit · keep none 14–18" · 3 a dayMay 2, 2026 to March 7, 2027Open
Bass18" min · 1 a dayJune 20, 2026 to March 7, 2027Open
PanfishNo size limit · 25 a dayOpen All YearOpen
SturgeonNo fishingClosed
LicenseWisconsin fishing license. No trout or Great Lakes stamp needed here. How to buy one →
Full rules from the DNR

Launches & access

1 public
Bottomsand 70% · gravel 15% · rock 15%
WaterOligotrophic, very clarity
Lake groupBig Portage Lake Riparian Owners Association

Before you go

DNR
How often it's safe to eat

This 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 Bass, Catfish, Pike, Walleye, All Other Species and Sizes

Up to 1 meal a month Muskies

Statewide advice; no lake-specific advisory. Stricter for women who may get pregnant and children under 15. DNR details
Invasive species here

Banded Mystery Snail · Chinese Mystery Snail · Rusty Crayfish

Drain all water, remove plants and animals, and never move live fish or bait to another lake.

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Near Big Portage

Local deals

Local bait shops, resorts and supper clubs can put a coupon here and on the printed sheet, free for a year. Add your business

Big Portage board

Catches & reports

Lakes near Big Portage

Within 25 miles
LakeMilesAcresMax depth
Little Portage LakeVilas1.317011 ft
Kenu LakeVilas1.97313 ft
Deer LakeVilas2.46524 ft
Moccasin LakeVilas2.58326 ft
Landing LakeVilas2.722011 ft
Heart LakeVilas2.75915 ft
Black Oak LakeVilas358485 ft
Little Bateau LakeVilas36320 ft

Big Portage questions

How deep is Big Portage Lake?

Big Portage Lake is 40 feet at its deepest, and 18 feet deep on average. It covers 586 acres.

What fish are in Big Portage Lake?

The Wisconsin DNR lists smallmouth bass (common), walleye (common), panfish (present) and largemouth bass (present).

Where is the boat launch on Big Portage Lake?

There is 1 public launch: Access.

Do I need a trout stamp to fish Big Portage Lake?

A Wisconsin fishing license covers this lake. No trout or Great Lakes stamp needed here.

What is the walleye limit on Big Portage Lake?

No size limit · keep none 14–18" · 3 a day. Season: May 2, 2026 to March 7, 2027.

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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.