Brown Trout Lakes in Minnesota
Found in 7 Minnesota lakes · 3 in Michigan
Brown Trout is a cold-water species, so the lakes where it is documented tend to be the deep, well-oxygenated basins that stay cold through the summer. 10 lakes carry a record. Brown Trout is narrowly distributed — only 7 lakes in Minnesota and 3 in Michigan have a documented record. The constraint is usually habitat: cold water, specific depth profile, or river connection.
Trout presence is itself a water-quality signal: a Minnesota lake that supports a Brown Trout population is almost certainly running cold enough and oxygenated enough to also support healthier overall water quality. Trout-supporting lakes are almost universally A- or B-grade — the cold, deep, well-oxygenated conditions trout need produce the higher grades almost as a side effect.
Brown Trout Lakes Map
Every Minnesota lake with documented brown trout, colored by water-quality grade.
Best Brown Trout Lakes in Minnesota
| Rank | Lake | County | Grade | Clarity | Depth |
|---|---|---|---|---|---|
| 1 | Upper Gull Lake | Cass | A | 9.5 ft | 54 ft |
| 2 | Island Lake | Clearwater | A | 14.1 ft | 58 ft |
| 3 | Upper Estuary Lake | St. Louis | C | 1.9 ft | 55 ft |
| 4 | Big Watab Lake | Stearns | NR | 20.5 ft | 123 ft |
| 5 | Loon Lake | Aitkin | NR | 4 ft | 21 ft |
| 6 | Chester Lake | Cook | NR | 11.9 ft | 35 ft |
| 7 | Miner'S Pit West Lake | St. Louis | NR | 23.1 ft | 140 ft |
Frequently Asked Questions
How many Minnesota lakes have brown trout?
Brown Trout are found in 7 lakes in Minnesota. The average water quality grade of these lakes is B (Good).
What are the best brown trout lakes in Minnesota?
The best brown trout lakes in Minnesota by water quality are Upper Gull Lake, Island Lake, Upper Estuary Lake, Big Watab Lake, Loon Lake.
Fish species from state agency survey, stocking, and public fishing-access records; water-quality grades from the EPA National Aquatic Resource Surveys.