Brown Trout Lakes in Ontario
Government fish surveys have recorded brown trout in 11 Ontario lakes, <1% of the 2,365 lakes in this atlas with sport-fish records. Another 13 lakes are known only from stocking records.
- Lakes
- 24
- Recorded since 2010
- 2
- Stocked
- 16
- Median size
- 0.33 km²
- Median max depth
- 14 m
- Latest record
- 2019
Where it is found
Most of these lakes are in Thunder Bay (6), Algoma (2) and Grey (2).
In these lakes the sport fish most often recorded alongside it are rainbow trout (42%), yellow perch (38%), largemouth bass (33%) and rock bass (33%).
16 of these lakes have been stocked with it. Stocking by lake, latest season.
Seasons, limits and sanctuaries vary by zone: check the Ontario Fishing Regulations Summary before you fish.
Where brown trout is most consistently recorded
Ranked by consistency: the lower bound of a 95% confidence interval on the share of the lake’s surveys that found it. A lake where 18 of 20 surveys found it ranks above one where 1 of 1 did. Lakes known only from stocking come last.
| # | Lake | Surveys | Last record | Stocked | Max depth m | Area km² |
|---|---|---|---|---|---|---|
| 1 | Ague LakeBruce | 2 of 2 | 1971 | 0.48 | ||
| 2 | Tarrison LakesThunder Bay | 1 of 1 | 2019 | 2024 | 0.13 | |
| 3 | Long LakeAlgoma | 1 of 1 | 2014 | 2017 | 3 | 0.34 |
| 4 | Amanda LakeThunder Bay | 1 of 1 | 2024 | 21 | 0.1 | |
| 5 | Habermehl LakeGrey | 1 of 2 | 1983 | 0.22 | ||
| 6 | Kelso LakeHalton | 1 of 6 | 0.27 | |||
| 7 | Eugenia LakeGrey | 1 of 16 | 1971 | 12 | 6.41 | |
| 8 | West PondToronto | 3 of 150 | 1986 | 0.17 | ||
| 9 | Lake BelwoodWellington | 1 of 28 | 1996 | 12 | 5.54 | |
| 10 | Lake BernardParry Sound | 1 of 86 | 1971 | 47 | 20.9 | |
| 11 | Lake SimcoeYork | 1 of 474 | 1994 | 41 | 752 | |
| 12 | D'Arcy LakeThunder Bay | 2026 | 6 | 0.33 | ||
| 13 | Hades LakeThunder Bay | 2025 | 0.14 | |||
| 14 | Shaw Dam LakeAlgoma | 2019 | 0.63 | |||
| 15 | Lake St. ClairLambton | 2018 | 1,160 | |||
| 16 | Anna LakeRenfrew | 2025 | 0.23 | |||
| 17 | Darling Long LakeLanark | 2024 | 12 | 0.83 | ||
| 18 | East Jeannie LakesHaliburton | 2024 | 15 | 0.21 | ||
| 19 | Hartley LakeThunder Bay | 2025 | 0.22 | |||
| 20 | Summit LakeFrontenac | 2025 | 9 | 0.41 | ||
| 21 | West Quinn LakeFrontenac | 2025 | 0.12 | |||
| 22 | Widgeon LakeParry Sound | 2025 | 0.32 | |||
| 23 | McLeod LakeThunder Bay | 2025 | 43 | 3.04 | ||
| 24 | Loon LakeSudbury | 2025 | 27 | 0.15 |
Top 24 of 24 lakes. Download the full list (CSV). Source: Ontario’s Aquatic Resource Area survey summaries and fish stocking records (Ministry of Natural Resources, OGL-Ontario). Data as of October 9, 2026. A record means a survey caught or observed the species, not that it is abundant today.
Other fish in Ontario
- Walleye (Pickerel)706
- Northern Pike819
- Bass881
- Trout1,717
- Lake Trout591
- Brook Trout626
- Rainbow Trout161
- Muskellunge (Muskie)56
- Crappie138
- Yellow Perch1,006
- Black Crappie129
- Bluegill178
- Burbot375
- Channel Catfish18
- Cisco514
- Lake Sturgeon22
- Lake Whitefish478
- Largemouth Bass287
- Pumpkinseed490
- Rock Bass532
- Sauger53
- Smallmouth Bass594
- Splake315