Rainbow Trout Lakes in Ontario

Government fish surveys have recorded rainbow trout in 42 Ontario lakes, 2% of the 2,365 lakes in this atlas with sport-fish records. Another 119 lakes are known only from stocking records.

Lakes: 161
Recorded since 2010: 17
Stocked: 124
Median size: 0.32 km²
Median max depth: 18 m
Latest record: 2026

Where it is found

Most of these lakes are in Haliburton (18), Thunder Bay (14) and Algoma (12).

In these lakes the sport fish most often recorded alongside it are brook trout (19%), yellow perch (19%), pumpkinseed (17%) and splake (15%).

124 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.

Lake with a full profileOther lake

Where rainbow 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	Reid LakeRenfrew	6 of 6	2012			0.13
2	Loon LakeMuskoka	3 of 3	2019			0.32
3	Heart LakePeel	15 of 25	2004	2018	10	0.17
4	Crosson LakeMuskoka	6 of 9	2014		21	0.56
5	Pine LakeMuskoka	5 of 8	2013		22	0.84
6	Hargraft LakeAlgoma	1 of 1	2026			0.39
7	Jessie LakeThunder Bay	1 of 1	2015			9.17
8	Prospect LakeAlgoma	1 of 1	2015	2023	9	0.25
9	Rainbow LakeAlgoma	1 of 1	2015	2023	6	0.15
10	Fifteen Mile PondNiagara	1 of 1	2005			0.15
11	Amanda LakeThunder Bay	1 of 1		2024	21	0.1
12	Robertson LakeAlgoma	9 of 30	2018	2019	21	1.39
13	Kirkpatrick LakeAlgoma	11 of 47	2014		67	11.2
14	Sixteen Mile PondNiagara	2 of 5	2011			0.54
15	McLean's LakeThunder Bay	1 of 2	2018			0.83
16	Franciscan LakeKenora	1 of 2			3	0.85
17	Minnitaki LakeKenora	1 of 2			46	176
18	Sand LakeParry Sound	1 of 3	1994		50	5.77
19	West Little LakeBruce	1 of 3	1971			0.26
20	Bass LakeGrey	1 of 3	1965			0.52
21	Crossecho LakeKenora	1 of 3				4.59
22	Griffin LakeAlgoma	5 of 42	2013		46	1.89
23	Pearl LakeBruce	1 of 5	1992			0.1
24	Irish LakeGrey	1 of 5			6	0.25
25	Eugenia LakeGrey	2 of 16	2016		12	6.41
26	Kelso LakeHalton	1 of 6	2011			0.27
27	Mill PondGrey	1 of 6	1985			0.14
28	Williams LakeGrey	1 of 7	1983			0.56
29	Peninsula LakeMuskoka	1 of 9	1973		36	8.43
30	Jacks LakeSimcoe	1 of 10	2012		2	0.26
31	Lake VictoriaPerth	1 of 12	2003			0.15
32	West PondToronto	5 of 150	2003			0.17
33	Fairy LakeMuskoka	1 of 16	1980		70	7.08
34	Caledon LakePeel	1 of 21			8	0.39
35	Bells LakeGrey	1 of 23			9	0.89
36	Bright LakeAlgoma	1 of 48	2010		9	12.2
37	Anjigami LakeAlgoma	1 of 56	2008		43	11.4
38	Lake RosseauMuskoka	1 of 55	1971		89	65.7
39	Lake ManitouManitoulin	1 of 58			49	106
40	Lake BernardParry Sound	1 of 86	1971		47	20.9
41	Island LakeDufferin	1 of 161				1.62
42	Lake SimcoeYork	1 of 474	1994		41	752
43	Bridget LakeAlgoma			2025		0.33
44	D'Arcy LakeThunder Bay			2026	6	0.33
45	Grindstone LakeFrontenac			2025	20	1.61
46	Hades LakeThunder Bay			2025		0.14
47	Hinsburger LakeNipissing			2025		0.42
48	Leonard LakeMuskoka			2016		1.99
49	Mosque LakeFrontenac			2025	31	1.55
50	Wendigo LakeParry Sound			2017		0.18

Top 50 of 161 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.

Rainbow Trout Lakes in Ontario

Where it is found

Where rainbow trout is most consistently recorded

Other fish in Ontario