Splake Fishing Guide
Trout, Salmon & ColdwaterDocumented in 12 graded lakes across 1 state
The stocked hybrid of brook trout and lake trout — faster-growing than either, and a popular put-grow-take fish.
Trout species like Splake need cold, oxygen-rich water year-round — that constraint limits Splake to 12 lakes in the 49 states and 2 Canadian provinces LakeQuality covers, mostly the deeper or spring-fed basins. Splake is narrowly distributed — only 12 lakes in Minnesota 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 the 49 states and 2 Canadian provinces LakeQuality covers lake that supports a Splake 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.
Where they live
Cool, clear, oxygen-rich lakes at moderate depth.
Water quality they need
Like its parents, splake need cold, clean, well-oxygenated water and are stocked into the higher-graded lakes.
When to catch them
Best in cold water — spring, fall, and through the ice.
Splake Seasonal Forecast & Techniques
Part of the LakeQuality Fishing Forecast. Spawn trigger: Fall spawner over deep rock reefs; the deepest, coldest, cleanest-water native char. Forage: Ciscoes, smelt, whitefish, and other coldwater baitfish. For a forecast tuned to a specific lake's measured clarity and depth, open that lake's forecast.
| Season | Where they hold | Structure & cover | Technique |
|---|---|---|---|
| Spring | shallow-to-mid 5–25 ft | right after ice-out they roam shallow and are catchable | casting spoons, jigs, and stickbaits |
| Summer | deep 40–90 ft | deep cold basin near/over the thermocline | deep trolling and heavy jigging |
| Fall | rock reefs 15–40 ft | spawning reefs — feed then closure in many waters | jigging tubes and spoons; respect closures |
| Winter / Ice | 30–80 ft | deep basin | jigging tubes and spoons through the ice |
A deep-coldwater indicator species — check depth-of-water release rules and closures.
Water Quality of Splake Lakes
Best Splake Lakes by Water Quality
Top 50 lakes with splake ranked by overall water quality grade.
| Rank | Lake | County | State | Grade | Depth | Species |
|---|---|---|---|---|---|---|
| 1 | Portage Lake | Cook | MN | A | 55 ft | 3 |
| 2 | Bean Lake | Lake | MN | A | 26 ft | 3 |
| 3 | Iron Lake | Cook | MN | A | 19 ft | 8 |
| 4 | Erskine Lake | Itasca | MN | A | 56 ft | 3 |
| 5 | Larson Lake | Itasca | MN | B | 177 ft | 6 |
| 6 | Upper Estuary Lake | St. Louis | MN | C | 55 ft | 33 |
| 7 | Long Lake | Aitkin | MN | NR | 116 ft | 16 |
| 8 | Tofte Lake | Lake | MN | NR | 73 ft | 3 |
| 9 | Esther Lake | Cook | MN | NR | 35 ft | 3 |
| 10 | Kemo Lake | Cook | MN | NR | 65 ft | 3 |
| 11 | Divide Lake | Lake | MN | NR | 22 ft | 3 |
| 12 | Beaver Hut Lake | Lake | MN | NR | 12 ft | 4 |
Frequently Asked Questions
What water quality do splake need?
Like its parents, splake need cold, clean, well-oxygenated water and are stocked into the higher-graded lakes.
How many lakes have splake?
Splake are found in 12 graded lakes: 12 in Minnesota. The average water quality grade of lakes with splake is A (Excellent).
What are the best lakes for splake?
The best splake lakes by water quality are Portage Lake, Bean Lake, Iron Lake, Erskine Lake, Larson Lake. These lakes have the highest water quality grades among all lakes where splake have been documented by state DNR surveys.
What other fish are found with splake?
Splake are most commonly found alongside splake, white sucker, rainbow trout, yellow perch, northern pike. These species share similar habitat preferences in the region's lakes.
Other Fish Species in Splake Lakes
Found together in 12 lakes · 1,256 total
Found together in 6 lakes · 37 total
Found together in 5 lakes · 1,631 total
Found together in 4 lakes · 2,487 total
Found together in 3 lakes · 784 total
Found together in 3 lakes · 1,601 total
Fish species from state agency survey, stocking, and public fishing-access records; water-quality grades from the EPA National Aquatic Resource Surveys. Species profiles are general reference; always check current state regulations before fishing.