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Fishing Grässjön: what the data says
1,137-acre lake near Sunnemo. The lake tops out around 157 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.
Gratis interaktiv fiskekarta — Grässjön, Sverige: ungefärliga djupkurvor ner till 48 m (157 fot), de bästa fiskeplatserna för abborre, gädda, lake och gös, säsongsbaserade huggfönster och betesval. Ingen registrering krävs. Djupkartan är modellberäknad från sjöns verkliga strandlinje och största djup — använd den som vägledning, aldrig för navigation.
European Perch fishing at Grässjön
Spring european perch on Grässjön hold shallow, usually 3 to 12 ft. By summer they slide out to 8 to 28 ft, and by winter most fish are in 12 to 33 ft. Shallow bay flat is the standout, a weed flat at roughly 6 ft, rated prime for spring european perch. Plan around early morning in the warm months. A drop-shot micro plastics or a small crankbait (perch pattern) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 10 to 33 ft | midday | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 12 to 33 ft | midday & dawn | Tungsten jig + maggots, Small balance jig |
Northern Pike fishing at Grässjön
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. They move out to 8 to 20 ft in summer and finish the year down in 5 to 15 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores prime in spring. Plan around early morning and the evening in the warm months. A bucktail or a weedless spoon over cabbage covers the summer program.
| 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 Grässjön
In spring, burbot run shallow here, mostly 25 to 70 ft. By summer they slide out to 50 to 120 ft, and by winter most fish are in 15 to 60 ft. If you only fish one area, make it Deep basin: a deep basin around 133 ft that scores prime in summer. Plan around after dark and midday in the warm months. Tie on a heavy jig + cut bait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 25 to 70 ft | night & dusk | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 50 to 120 ft | night & midday | Heavy jig + cut bait |
| Fall | 30 to 80 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 |
Zander fishing at Grässjön
Start shallow in spring: zander sit in 4 to 15 ft that time of year. They move out to 15 to 35 ft in summer and finish the year down in 20 to 40 ft. Main-lake point is the standout, a point at roughly 39 ft, rated prime for fall zander. Best bite is the evening and early morning. A vertical softbait over humps or a deep crankbait covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Softbait on jighead (10-12 cm), Shallow crankbait at dusk |
| Summer | 15 to 35 ft | dusk & dawn | Vertical softbait over humps, Deep crankbait |
| Fall | 12 to 40 ft | dusk & night | Big softbait (12-16 cm) slow-rolled, Jigging spoon |
| Winter | 20 to 40 ft | dusk & dawn | Vertical jig / mormyshka with bait, Slow blade bait |
Notable structure
- Deep basin: deep basin, around 133 ft
- Break off the point: drop-off, around 71 ft
- Main-lake point: point, around 39 ft
- Secondary point: point, around 39 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Grässjön?
Grässjön is about 157 ft (48 m) deep 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 Grässjön?
Anglers target zander, northern pike, european perch, burbot on Grässjön.
Where is the best fishing spot on Grässjön?
Shallow bay flat is the top-rated area: a weed flat in about 6 ft of water that rates prime for european perch in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Grässjön?
For european perch, 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
Lidsjön · Skärgen · Stor-Ullen · Rådasjön · Östra Örten · Västra Örten
See how Grässjön stacks up: best zander lakes in Sweden · best northern pike lakes in Sweden · best european perch lakes in Sweden · best burbot lakes in Sweden
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