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Best largemouth bass lakes in Ontario

22 Ontario waters hold largemouth bass, 22 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 Nipissing — 230 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
2. Lake Simcoe — 135 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
3. Big Rideau Lake — 300 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
4. Pigeon Lake — 40 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
5. Sturgeon Lake — 35 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
6. Lake Scugog — 20 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
7. Lake Joseph — 302 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
8. Chemong Lake — 22 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Crappie
9. Lake Rosseau — 292 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
10. Sparrow Lake — 40 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
11. Charleston Lake — 295 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
12. Kawagama Lake — 246 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Yellow Perch, Lake Trout
13. Balsam Lake — 40 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
14. Stony Lake — 102 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Crappie
15. Buckhorn Lake — 40 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
16. Mindemoya Lake — 60 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
17. Lake Nosbonsing — 45 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
18. Skeleton Lake — 246 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
19. Kennisis Lake — 240 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Yellow Perch, Lake Trout
20. Fairy Lake — 230 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
21. Peninsula Lake — 118 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Northern Pike, Rainbow Trout
22. Bass Lake — 30 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Crappie, Bluegill

When to fish largemouth bass in Ontario

• 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 Ontario: best smallmouth bass lakes · best walleye lakes · best northern pike lakes · best crappie lakes · best bluegill lakes · best rainbow trout lakes · best muskellunge lakes · best yellow perch lakes · best lake trout lakes · best lake whitefish lakes

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