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Best brown trout lakes in Ontario

43 Ontario waters hold brown trout, 29 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. Wary, nocturnal-leaning predator. Shorelines and inflows in cold months; the thermocline in summer.

1. Lake Erie — Eastern Basin — 205 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #1: survey-backed contours receive the ranking's data-quality boost · 7 public access sites
2. Lake Erie — Central Basin East — 92 ft max · survey depth data · Smallmouth Bass, Walleye, White Bass, Channel CatfishWhy #2: survey-backed contours receive the ranking's data-quality boost · 6 public access sites, 1 carry-in or shore-oriented
3. Georgian Bay — Nottawasaga Bay — 314 ft max · survey depth data · Smallmouth Bass, Walleye, Northern Pike, Rainbow TroutWhy #3: survey-backed contours receive the ranking's data-quality boost · 7 public access sites
4. Georgian Bay — Owen Sound & Colpoys Bay — 405 ft max · survey depth data · Smallmouth Bass, Northern Pike, Rainbow Trout, Yellow PerchWhy #4: survey-backed contours receive the ranking's data-quality boost · 4 public access sites
5. Lake Ontario — Toronto Waterfront — 361 ft max · survey depth data · Smallmouth Bass, Northern Pike, Yellow Perch, Chinook SalmonWhy #5: survey-backed contours receive the ranking's data-quality boost · 10 public access sites, 9 carry-in or shore-oriented
6. Drag Lake — 180 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Yellow Perch, Lake TroutWhy #6: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
7. Michipicoten River — 69 ft max · survey depth data · Walleye, Northern Pike, Rainbow Trout, Chinook SalmonWhy #7: survey-backed contours receive the ranking's data-quality boost · 1 public access site
8. Grand River section — 10 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #8: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
9. Eugenia Lake — 40 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Northern Pike, Rainbow TroutWhy #9: survey-backed contours receive the ranking's data-quality boost · 1 public access site
10. Darling Long Lake — 40 ft max · survey depth data · Walleye, Rainbow Trout, Yellow Perch, Brown TroutWhy #10: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
11. Blackstone Harbour — 62 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White BassWhy #11: survey-backed contours receive the ranking's data-quality boost · 1 public access site
12. Almonte Lake — 30 ft max · survey depth data · Walleye, Northern Pike, Rainbow Trout, Yellow PerchWhy #12: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
13. Woods Bay — 39 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White BassWhy #13: survey-backed contours receive the ranking's data-quality boost · 1 public access site
14. Summit Lake — 30 ft max · survey depth data · Brown Trout, PumpkinseedWhy #14: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
15. Earl Rowe Lake — 10 ft max · survey depth data · Rainbow Trout, Chinook Salmon, Brown TroutWhy #15: survey-backed contours receive the ranking's data-quality boost · 1 public access site
16. Silver Lake — 5 ft max · survey depth data · Largemouth Bass, Brown Trout, Rock BassWhy #16: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
17. East Jeannie Lakes — 50 ft max · survey depth data · Brown Trout, Brook TroutWhy #17: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
18. Viridian Lake — 33 ft max · survey depth data · Walleye, Northern Pike, Rainbow Trout, Yellow PerchWhy #18: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
19. Wilcox Lake — 20 ft max · survey depth data · Smallmouth Bass, Walleye, Yellow Perch, Brown TroutWhy #19: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
20. Waterford Ponds (Middle Pond) — 5 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #20: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
21. Whitefish River — 23 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White BassWhy #21: survey-backed contours receive the ranking's data-quality boost · 1 public access site
22. Lake Whittaker — 30 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Northern Pike, CrappieWhy #22: survey-backed contours receive the ranking's data-quality boost · 1 public access site
23. West Twin Lake — 50 ft max · survey depth data · Yellow Perch, Brown Trout, Brook Trout, SplakeWhy #23: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
24. Pond Mills — 70 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #24: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
25. Moon River Bay — 23 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White BassWhy #25: survey-backed contours receive the ranking's data-quality boost · no verified access record attached

…plus 18 more Ontario waters holding brown trout.

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When to fish brown trout in Ontario

• Spring 3–25 ft — Cold-water browns hug shorelines, river mouths and mud lines — often in a few feet of water early and late.
• Summer 25–60 ft — Browns sit at the thermocline by day and slide shallow after dark — the night troll takes the giants.
• Fall 5–30 ft — Spawn-run browns stage off tributaries and gravel shorelines, aggressive and territorial.
• Winter 5–35 ft — Browns feed all winter — nearshore when bait is in, deeper breaks otherwise.

Also in Ontario: best largemouth bass lakes · 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 yellow perch lakes · best freshwater drum lakes · best common carp lakes · best longnose gar lakes · best chinook salmon lakes · best coho salmon lakes · best steelhead lakes · best lake trout lakes · best brook trout lakes · best landlocked salmon lakes · best lake whitefish lakes · best burbot lakes · best rock bass lakes · best white perch lakes · best cisco (lake herring) lakes · best splake lakes · best pumpkinseed lakes · best brown bullhead lakes · best lake sturgeon lakes

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