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Rating depth structure for zander.
Recent public catches load as you reach this section.
1,011-acre lake near Vetlanda. The lake tops out around 16 m. 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.
På kartan täcker Grumlan 419 hektar innanför 17.2 km strandlinje, uppbruten av 3 öar. Ett strandindex på 2.4 betyder en labyrint av vikar och uddar: många fler kastmål än en rund sjö i samma storlek. Ungefär 55% av ytan är grundare än ~5 m — där finns vegetationen och betesfisken. Räkna med 4.3 km vatten från ena änden till den andra och 2.3 km på bredden. Sjön ligger i Vetlanda kommun. Norrasjön ligger 3.2 km åt nordväst — närmaste grannvatten på kartan.
Gratis interaktiv fiskekarta — Grumlan, Sverige: ungefärliga djupkurvor ner till 16 m (54 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.
Spring puts european perch in skinny water — 1 to 3.5 m is the zone. As the season builds they drop to 2.5 to 8.5 m, wintering in 3.5 to 10 m. Spring european perch concentrate at Shallow bay flat, a prime-rated weed flat around 2 m. Warm-month bites cluster around early morning. A drop-shot micro plastics or a small crankbait (perch pattern) covers the summer program.
| Säsong | Djup | Bästa tid | Börja vid | Beten |
|---|---|---|---|---|
| Vår | 1 to 3.5 m | midday & dawn | Shallow bay flat (2 m) | Small jig + curly tail, Inline spinner #1-2 |
| Sommar | 2.5 to 8.5 m | dawn | Break off the point (7.5 m) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Höst | 3 to 10 m | midday | Break off the point (7.5 m) | Jigging spoon (small), Drop-shot on deep flats |
| Vinter | 3.5 to 10 m | midday & dawn | Break off the point (7.5 m) | Tungsten jig + maggots, Small balance jig |
Spring puts northern pike in skinny water — 0.5 to 2.5 m is the zone. Warm water sends them out to 2.5 to 6 m; cold water stacks them in 1.5 to 4.5 m. Shallow bay flat is the standout, a weed flat at roughly 2 m, rated prime for spring northern pike. Plan around early morning and the evening in the warm months. A bucktail or a weedless spoon over cabbage covers the summer program.
| Säsong | Djup | Bästa tid | Börja vid | Beten |
|---|---|---|---|---|
| Vår | 0.5 to 2.5 m | midday & dawn | Shallow bay flat (2 m) | #5 inline spinner, Spoon (red/white) |
| Sommar | 2.5 to 6 m | dawn & dusk | Shallow bay flat (2 m) | Bucktail, Weedless spoon over cabbage |
| Höst | 2 to 5.5 m | midday & dawn | Shallow bay flat (2 m) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Vinter | 1.5 to 4.5 m | midday | Shallow bay flat (2 m) | Tip-ups, Large jigging spoon |
Spring puts zander in skinny water — 1 to 4.5 m is the zone. As the season builds they drop to 4.5 to 11 m, wintering in 6 to 12 m. Spring zander concentrate at Emån inflow, a prime-rated inflow / creek mouth around 1.5 m. Warm-month bites cluster around the evening and early morning. A vertical softbait over humps or a deep crankbait covers the summer program.
| Säsong | Djup | Bästa tid | Börja vid | Beten |
|---|---|---|---|---|
| Vår | 1 to 4.5 m | dusk & dawn | Emån inflow (1.5 m) | Softbait on jighead (10-12 cm), Shallow crankbait at dusk |
| Sommar | 4.5 to 11 m | dusk & dawn | Break off the point (7.5 m) | Vertical softbait over humps, Deep crankbait |
| Höst | 3.5 to 12 m | dusk & night | Break off the point (7.5 m) | Big softbait (12-16 cm) slow-rolled, Jigging spoon |
| Vinter | 6 to 12 m | dusk & dawn | Break off the point (7.5 m) | Vertical jig / mormyshka with bait, Slow blade bait |
When the water first warms, lake whitefish slide up into 4.5 to 14 m. Summer is a 5 to 16 m game here, winter a 5 to 16 m one. Start at Deep basin. It's a deep basin holding about 14 m of water and rates prime come summer. The feeding windows run early morning. Keep a blade bait vertical or a small jigging spoon rigged through the warm months.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Säsong | Djup | Bästa tid | Börja vid | Beten |
|---|---|---|---|---|
| Vår | 4.5 to 14 m | midday & dawn | Break off the point (7.5 m) | Small jig + waxworm, Blade bait (small) |
| Sommar | 5 to 16 m chart-limited; documented 12 to 27 m | dawn | Deep basin (14 m) | Blade bait vertical, Small jigging spoon |
| Höst | 2.5 to 9 m | dusk | Break off the point (7.5 m) | Small spoon (gold), Jig + plastic larva |
| Vinter | 5 to 16 m chart-limited; documented 7.5 to 21 m | midday & dawn | Deep basin (14 m) | Jigging spoon + bead chain, Tungsten jig + waxie |
When the water first warms, roach slide up into 0.5 to 3 m. Summer is a 1 to 5.5 m game here, winter a 3.5 to 11 m one. Start at Shallow bay flat. It's a weed flat holding about 2 m of water and rates prime come spring. The feeding windows run early morning and the evening. Keep a tiny spoon or a micro jig rigged through the warm months.
| Säsong | Djup | Bästa tid | Börja vid | Beten |
|---|---|---|---|---|
| Vår | 0.5 to 3 m | midday & dusk | Shallow bay flat (2 m) | Micro jig under a float |
| Sommar | 1 to 5.5 m | dawn & dusk | Shallow bay flat (2 m) | Tiny spoon, Micro jig |
| Höst | 2.5 to 8.5 m | midday | Break off the point (7.5 m) | Tiny jig, Small silver spoon |
| Vinter | 3.5 to 11 m | midday | Break off the point (7.5 m) | Tungsten mormyshka |
Early season rudd use the shallows, holding in 0.5 to 2.5 m. Summer is a 0.5 to 3.5 m game here, winter a 3.5 to 9 m one. The chart's best answer is Shallow bay flat — weed flat, 2 m, prime for spring. Best bite is early morning and the evening. Tie on a tiny surface fly or a micro spoon and you're in the game.
| Säsong | Djup | Bästa tid | Börja vid | Beten |
|---|---|---|---|---|
| Vår | 0.5 to 2.5 m | midday & dusk | Shallow bay flat (2 m) | Micro jig, Tiny dry fly |
| Sommar | 0.5 to 3.5 m | dawn & dusk | Shallow bay flat (2 m) | Tiny surface fly, Micro spoon |
| Höst | 1.5 to 5.5 m | midday | Break off the point (7.5 m) | Micro jig |
| Vinter | 3.5 to 9 m | midday | open water | Tiny mormyshka |
Grumlan also holds tench (1 to 3.5 m in summer), vendace (5 to 16 m in summer). Pick any of them on the map above for rated spots and bait picks.
8 pieces of structure are mapped here — Deep basin, around 14 m, is the deepest of them.
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 Grumlan specifically, so confirm the current rules before you fish.
Check the official Sweden fishing regulations →
Grumlan is about 54 ft (16 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.
Grumlan är som djupast cirka 16 meter (54 fot). Djupkartan är modellberäknad från sjöns verkliga strandlinje — använd den som vägledning, aldrig för navigation.
Anglers target european perch, northern pike, zander, lake whitefish, roach, rudd, tench, vendace on Grumlan.
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. The interactive chart above rates every spot for each 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 Grumlan 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.
Norrasjön 2 mi · Prästabosjön 2 mi · Flögen 3 mi · Föredasjön 4 mi · Kvarndammen 4 mi · Hestersgöl 4 mi · Näcksjön 4 mi · Bodasjön 4 mi · Stora Näsgölen 4 mi · Bredegöl 4 mi · Fifflekullsgölen 5 mi · Tångerdasjön 5 mi
See how Grumlan stacks up: best zander lakes in Sweden · best northern pike lakes in Sweden · best european perch lakes in Sweden · best lake whitefish lakes in Sweden
More water nearby: Vetlanda Municipality fishing maps (120 charts). Browse all Sweden fishing maps. See every water on DepthScout. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.