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5,758-acre lake near Norrtälje. The lake tops out around 66 ft. These contours are modeled — built from the real shoreline and the water's maximum depth — so read them as a guide, never as navigation. What follows comes from the same scoring engine that paints the spots above.
The drawn water covers 5,642 acres wrapped in 34.9 miles of bank, broken up by 15 islands. That shoreline is heavily fingered (development index 3.3) — bays, points and pockets everywhere, which multiplies the fishable edge. 58% of the surface is littoral (under ~15 ft), per the model — cover, weeds and forage water.
Gratis interaktiv fiskekarta — Erken, Sverige: ungefärliga djupkurvor ner till 20 m (66 fot), och de bästa fiskeplatserna för abborre, gädda, gös med flera. Djupkartan är modellberäknad från sjöns verkliga strandlinje och största djup — använd den som vägledning, aldrig för navigation.
Come spring, look for european perch tight to the bank in 3 to 12 ft. Expect a summer slide to 8 to 28 ft, then a winter hold in 12 to 33 ft. Start at Shallow bay flat. It's a weed flat holding about 6 ft of water and rates prime come spring. Prime time lands in early morning. A drop-shot micro plastics or a small crankbait (perch pattern) is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (6 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Sharp break (12 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 10 to 33 ft | midday | Break off the point (30 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 12 to 33 ft | midday & dawn | Break off the point (30 ft) | Tungsten jig + maggots, Small balance jig |
Early season northern pike use the shallows, holding in 2 to 8 ft. Expect a summer slide to 8 to 20 ft, then a winter hold in 5 to 15 ft. Put Shallow bay flat first on the milk run — a weed flat near 6 ft that grades prime for spring. In summer the feeding windows fall in 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 | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (6 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Sharp break (12 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Shallow bay flat (6 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (6 ft) | Tip-ups, Large jigging spoon |
Come spring, look for zander tight to the bank in 4 to 15 ft. Expect a summer slide to 15 to 35 ft, then a winter hold in 20 to 40 ft. Start at Break off the point. It's a drop-off holding about 30 ft of water and rates prime come fall. Prime time lands in the evening and early morning. A vertical softbait over humps or a deep crankbait is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Rock reef (9 ft) | Softbait on jighead (10-12 cm), Shallow crankbait at dusk |
| Summer | 15 to 35 ft | dusk & dawn | Break off the point (30 ft) | Vertical softbait over humps, Deep crankbait |
| Fall | 12 to 40 ft | dusk & night | Break off the point (30 ft) | Big softbait (12-16 cm) slow-rolled, Jigging spoon |
| Winter | 20 to 40 ft | dusk & dawn | Break off the point (30 ft) | Vertical jig / mormyshka with bait, Slow blade bait |
Spring burbot on Erken hold shallow, usually 20 to 66 ft. There's no big seasonal slide here — summer means 20 to 66 ft, winter 15 to 60 ft. Put Deep basin first on the milk run — a deep basin near 56 ft that grades prime for spring. The feeding windows run after dark and midday. The summer box starts with a heavy jig + cut bait.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 20 to 66 ft | night & dusk | Deep basin (56 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 20 to 66 ft | night & midday | Deep basin (56 ft) | Heavy jig + cut bait |
| Fall | 20 to 66 ft | night & dusk | Deep basin (56 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 15 to 60 ft | night & dusk | Deep basin (56 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Season dates, license requirements, and size and bag limits for Sweden waters are set by the Svenska Fiskeregler (official Swedish rules service) — and special regulations can apply to Erken specifically, so confirm the current rules before you fish.
Check the official Sweden fishing regulations →
Erken is about 66 ft (20 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.
Anglers target zander, northern pike, european perch, burbot on Erken.
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. Scroll up to the map for the complete spot list by species and season.
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.
Fishing on Erken is regulated by the Svenska Fiskeregler (official Swedish rules service). Check the official Sweden regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Långsjön 2 mi · Hörnan 2 mi · Fansjön 3 mi · Gisen 3 mi · Pottåkerssjön 5 mi · Brosjön 6 mi · Sottern 6 mi · Närdingen 6 mi · Lommaren 7 mi · Ströjan 7 mi · Gillfjärden 8 mi · Bottenfjärden 8 mi
See how Erken stacks up: best zander lakes in Sweden · best northern pike lakes in Sweden · best european perch lakes in Sweden · best burbot lakes in Sweden
Browse all Sweden fishing maps or see every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.