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Fishing Långsjön: what the data says
608-acre lake near Björklinge. The lake tops out around 41 ft. The chart is a model: real shoreline, published maximum depth, interpolated in between. A planning tool, never a navigation product. Here is how the season plays out for each species, straight from the data behind the map.
Traced from the shoreline, Långsjön runs 601 acres with 7 miles of edge. The shoreline is moderately structured (index 2) — enough points and pockets to pattern. 65% of the surface is littoral (under ~15 ft), per the model — cover, weeds and forage water.
Gratis interaktiv fiskekarta — Långsjön, Sverige: ungefärliga djupkurvor ner till 12 m (41 fot), och de bästa fiskeplatserna för abborre och gädda. Djupkartan är modellberäknad från sjöns verkliga strandlinje och största djup — använd den som vägledning, aldrig för navigation.
European Perch fishing at Långsjön
Spring puts european perch in skinny water — 3 to 12 ft is the zone. Warm water sends them out to 8 to 28 ft; cold water stacks them in 12 to 33 ft. Shallow bay flat is the standout, a weed flat at roughly 5 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 | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (5 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Break off the point (18 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 10 to 33 ft | midday | Deep basin (35 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 12 to 33 ft | midday & dawn | Deep basin (35 ft) | Tungsten jig + maggots, Small balance jig |
Northern Pike fishing at Långsjön
Spring puts northern pike in skinny water — 2 to 8 ft is the zone. As the season builds they drop to 8 to 20 ft, wintering in 5 to 15 ft. Spring northern pike concentrate at Shallow bay flat, a prime-rated weed flat around 5 ft. Warm-month bites cluster around early morning and the evening. A bucktail or a weedless spoon over cabbage covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (5 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Break off the point (18 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Break off the point (18 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (5 ft) | Tip-ups, Large jigging spoon |
Notable structure
- Deep basin: deep basin, around 35 ft
- Break off the point: drop-off, around 18 ft
- Main-lake point: point, around 10 ft
- Secondary point: point, around 10 ft
- Shallow bay flat: weed flat, around 5 ft
- Back-bay flat: weed flat, around 5 ft
Långsjön fishing regulations
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 Långsjön specifically, so confirm the current rules before you fish.
Check the official Sweden fishing regulations →
Common questions
How deep is Långsjön?
Långsjön is about 41 ft (12 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 Långsjön?
Anglers target northern pike, european perch on Långsjön.
Where is the best fishing spot on Långsjön?
Shallow bay flat is the top-rated area: a weed flat in about 5 ft of water that rates prime for european perch in spring. The interactive chart above rates every spot for each species and season.
When is the best time to fish Långsjön?
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.
What are the fishing regulations for Långsjön?
Fishing on Långsjön 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.
Nearby waters
Ramsjön 5 mi · Velången 6 mi · Mossaren 6 mi · Nävergården 7 mi · Risbosjön 8 mi · Lafssjön 8 mi · Stensjön 8 mi · Vendelsjön 10 mi · Bången 11 mi · Mörtsjön 12 mi · Lumpen 12 mi · Tämnaren 12 mi
See how Långsjön stacks up: best northern pike lakes in Sweden · best european perch 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.