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Fishing Iresjön: what the data says
961-acre lake near Köping. The lake tops out around 77 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. What follows comes from the same scoring engine that paints the spots above.
Gratis interaktiv fiskekarta — Iresjön, Sverige: ungefärliga djupkurvor ner till 23 m (77 fot), de bästa fiskeplatserna för gädda, abborre och lake, säsongsbaserade huggfönster och betesval. Ingen registrering krävs. Djupkartan är modellberäknad från sjöns verkliga strandlinje och största djup — använd den som vägledning, aldrig för navigation.
Northern Pike fishing at Iresjön
In spring, northern pike run shallow here, mostly 2 to 8 ft. 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. Best bite is early morning and the evening. Summer baits: a bucktail or a weedless spoon over cabbage gets it done.
| 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 |
European Perch fishing at Iresjön
Spring european perch on Iresjön hold shallow, usually 3 to 12 ft. Summer pushes them deeper, 8 to 28 ft, and winter fish settle into 12 to 33 ft. The spot to know is Shallow bay flat, a weed flat in about 6 ft of water that rates prime for european perch in spring. Best bite is early morning. Summer baits: a drop-shot micro plastics or a small crankbait (perch pattern) gets it done.
| 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 |
Burbot fishing at Iresjön
Spring burbot on Iresjön hold shallow, usually 25 to 70 ft. They move out to 23 to 77 ft in summer and finish the year down in 15 to 60 ft. The spot to know is Deep basin, a deep basin in about 65 ft of water that rates prime for burbot in spring. 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 | 25 to 70 ft | night & dusk | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 23 to 77 ft | night & midday | Heavy jig + cut bait |
| Fall | 23 to 77 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 65 ft
- Break off the point: drop-off, around 35 ft
- Main-lake point: point, around 19 ft
- Secondary point: point, around 19 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Iresjön?
Iresjön is about 77 ft (23 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 Iresjön?
Anglers target northern pike, european perch, burbot on Iresjön.
Where is the best fishing spot on Iresjön?
Shallow bay flat is the top-rated area: a weed flat in about 6 ft of water that rates prime for northern pike in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Iresjön?
For northern pike, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Skedvisjön · Västlandasjön · Nedre Vättern · Lillsvan · Övre Vättern · Väringen
See how Iresjön stacks up: best northern pike lakes in Sweden · best european perch lakes in Sweden · best burbot lakes in Sweden
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