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Fishing Fern: what the data says
71-acre lake near Cook County. The lake tops out around 65 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. Below is the species-by-species picture, pulled from the same data the map uses.
Lake Trout fishing at Fern
Start shallow in spring: lake trout sit in 10 to 40 ft that time of year. They move out to 20 to 65 ft in summer and finish the year down in 16 to 65 ft. The spot to know is Deep basin, a deep basin in about 55 ft of water that rates prime for lake trout in summer. Best bite is early morning. A white tube jig (deep) or a magnum spoon on downrigger covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 20 to 65 ft | dawn | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Heavy casting spoon, Jigging rap over reefs |
| Winter | 16 to 65 ft | dawn | White tube jig, Airplane jig |
Northern Pike fishing at Fern
Spring northern pike on Fern hold shallow, usually 2 to 8 ft. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 6 ft, rated prime for spring northern pike. Best bite is early morning and the evening. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Burbot fishing at Fern
In spring, burbot run shallow here, mostly 20 to 65 ft. Summer fish stay in 20 to 65 ft, and winter fish hold in 15 to 60 ft. Deep basin is the standout, a deep basin at roughly 55 ft, rated prime for spring burbot. Best bite is after dark and midday. Tie on a heavy jig + cut bait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 20 to 65 ft | night & dusk | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 20 to 65 ft | night & midday | Heavy jig + cut bait |
| Fall | 20 to 65 ft | night & dusk | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 15 to 60 ft | night & dusk | Glow tungsten + cut bait, Rattle spoon + minnow head |
Notable structure
- Deep basin: deep basin, around 55 ft
- Break off the point: drop-off, around 29 ft
- Main-lake point: point, around 16 ft
- Secondary point: point, around 16 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Fern?
Fern is about 65 ft at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Fern?
Anglers target northern pike, lake trout, burbot on Fern.
Where is the best fishing spot on Fern?
Deep basin is the top-rated area: a deep basin in about 55 ft of water that rates prime for lake trout in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Fern?
For lake trout, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
French · Powell · Ecstasy · Gillis · West Fern · Elm
See how Fern stacks up: best northern pike lakes in Minnesota · best lake trout lakes in Minnesota · best burbot lakes in Minnesota
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