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Best largemouth bass lakes in Wisconsin

3615 Wisconsin waters hold largemouth bass, 140 mapped with real state-agency depth surveys. Ranked below by size and depth-data quality — open any water to see exactly where to fish it: depth contours, scored spots with plain-English reasons, seasonal windows and bait picks. Ambush predator that relates to cover — weeds, timber, docks — and moves shallow to feed.

1. Lake Pepin — 50 ft max · survey depth data · Largemouth Bass, Walleye, White Bass, Northern PikeWhy #1: survey-backed contours receive the ranking's data-quality boost · 5 public access sites, 1 carry-in or shore-oriented
2. Petenwell Flowage — 44 ft max · Largemouth Bass, Smallmouth Bass, Walleye, CrappieWhy #2: mapped size signal; contours are approximated · 12 public access sites, 1 carry-in or shore-oriented
3. Lake Butte des Morts — 8 ft max · survey depth data · Largemouth Bass, Walleye, Crappie, Channel CatfishWhy #3: survey-backed contours receive the ranking's data-quality boost · 5 public access sites
4. Lake Wisconsin — 24 ft max · Largemouth Bass, Smallmouth Bass, Walleye, SaugerWhy #4: mapped size signal; contours are approximated · 17 public access sites
5. Chippewa Flowage — 92 ft max · Largemouth Bass, Smallmouth Bass, Walleye, CrappieWhy #5: mapped size signal; contours are approximated · 6 public access sites
6. Turtle-Flambeau Flowage — 50 ft max · Largemouth Bass, Smallmouth Bass, Walleye, CrappieWhy #6: mapped size signal; contours are approximated · 5 public access sites
7. Lake Mendota — 80 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, CrappieWhy #7: survey-backed contours receive the ranking's data-quality boost · 12 public access sites, 4 carry-in or shore-oriented
8. Big Eau Pleine Reservoir — 46 ft max · Largemouth Bass, Walleye, Crappie, BluegillWhy #8: mapped size signal; contours are approximated · 12 public access sites
9. Castle Rock Lake — 35 ft max · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #9: mapped size signal; contours are approximated · 9 public access sites
10. Big Green Lake — 236 ft max · Largemouth Bass, Smallmouth Bass, Walleye, CrappieWhy #10: mapped size signal; contours are approximated · 7 public access sites
11. Lac Vieux Desert Lake — 38 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #11: survey-backed contours receive the ranking's data-quality boost · 1 public access site
12. Beaver Dam Lake — 7 ft max · Largemouth Bass, Walleye, Northern Pike, CrappieWhy #12: mapped size signal; contours are approximated · 2 public access sites
13. Lake Du Bay — 30 ft max · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #13: mapped size signal; contours are approximated · 6 public access sites
14. Long Lake — 74 ft max · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #14: mapped size signal; contours are approximated · 1 public access site
15. Buffalo Lake — 8 ft max · Largemouth Bass, Walleye, Northern Pike, CrappieWhy #15: mapped size signal; contours are approximated · 2 public access sites
16. Lake Koshkonong — 7 ft max · Largemouth Bass, Walleye, Crappie, BluegillWhy #16: mapped size signal; contours are approximated · 4 public access sites
17. Lake Onalaska — 40 ft max · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #17: mapped size signal; contours are approximated · 8 public access sites
18. Lac Courte Oreilles — 90 ft max · Largemouth Bass, Smallmouth Bass, Walleye, CrappieWhy #18: mapped size signal; contours are approximated · 4 public access sites
19. Geneva Lake — 135 ft max · Largemouth Bass, Smallmouth Bass, Walleye, CrappieWhy #19: mapped size signal; contours are approximated · 6 public access sites
20. Rhinelander Flowage — 10 ft max · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #20: mapped size signal; contours are approximated · no verified access record attached
21. Holcombe Flowage — 62 ft max · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #21: mapped size signal; contours are approximated · 1 public access site
22. Lake Owen — 95 ft max · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #22: mapped size signal; contours are approximated · 1 public access site
23. Shawano Lake — 39.5 ft max · Largemouth Bass, Walleye, Crappie, BluegillWhy #23: mapped size signal; contours are approximated · 7 public access sites, 2 carry-in or shore-oriented
24. Prairie Lake — 16 ft max · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #24: mapped size signal; contours are approximated · 1 public access site
25. Delavan Lake — 52 ft max · Largemouth Bass, Walleye, Crappie, BluegillWhy #25: mapped size signal; contours are approximated · 3 public access sites, 1 carry-in or shore-oriented

…plus 3590 more Wisconsin waters holding largemouth bass.

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When to fish largemouth bass in Wisconsin

• Spring 2–10 ft — Pre-spawn through spawn: target shallow flats, pockets and cover near deep access.
• Summer 8–20 ft — Fish the edges: weedlines, drop-offs, and deep cover close to shallow feeding areas.
• Fall 4–15 ft — Follow the baitfish: points and creek channels leading into pockets.
• Winter 15–35 ft — Slow and deep: steep drops and channel bends near wintering basins.

Also in Wisconsin: best smallmouth bass lakes · best walleye lakes · best white bass lakes · best sauger lakes · best northern pike lakes · best crappie lakes · best bluegill lakes · best channel catfish lakes · best rainbow trout lakes · best muskellunge lakes · best white bass & hybrids lakes · best yellow perch lakes · best flathead catfish lakes · best freshwater drum lakes · best common carp lakes · best longnose gar lakes · best lake trout lakes · best brown trout lakes · best brook trout lakes · best lake whitefish lakes · best rock bass lakes · best pumpkinseed lakes · best lake sturgeon lakes

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