Lake depth chart
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Rating depth structure for zander.
Shared by DepthScout anglers. Exact spots stay private, always.
32,618-acre lake near Tranås. The lake tops out around 53 m. Depth here is modeled from the true shoreline and max depth rather than surveyed; use it to plan, not to navigate. The rest of this page walks each species through its year, using the map's own scoring.
Sommen mäter 13 051 hektar bakom 394.9 km strandlinje, uppbruten av 101 öar. Strandlinjen är kraftigt flikig (index 9.8) — vikar och uddar överallt, vilket mångdubblar den fiskbara kanten. Cirka 38% av vattnet är ~5 m eller grundare, zonen där näringskedjan bor. Från ände till ände mäter vattnet ungefär 36.5 km, som bredast 14.3 km. Vattnet hör till Ydre kommun. Närmaste kartlagda vatten är Illern, 9.7 km åt väster.
Gratis interaktiv fiskekarta — Sommen, Sverige: ungefärliga djupkurvor ner till 53 m (174 fot), och de bästa fiskeplatserna för öring, röding, sik med flera. Djupkartan är modellberäknad från sjöns verkliga strandlinje och största djup — använd den som vägledning, aldrig för navigation.
The spring pattern is a shallow one: brown trout in 1 to 7.5 m. Midsummer fish sit out in 7.5 to 18 m before dropping to 1.5 to 11 m for winter. The spot to know is Svartån inflow, an inflow / creek mouth in about 2.5 m of water that rates prime for brown trout in spring. Plan around after dark and early morning in the warm months. Summer baits: a spoon at the thermocline or a deep stickbait (night) gets it done.
| Säsong | Djup | Bästa tid | Börja vid | Beten |
|---|---|---|---|---|
| Vår | 1 to 7.5 m | dawn & dusk | Svartån inflow (2.5 m) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Sommar | 7.5 to 18 m | night & dawn | Offshore hump (7.5 m) | Spoon at the thermocline, Deep stickbait (night) |
| Höst | 1.5 to 9 m | dusk & dawn | Svartån inflow (2.5 m) | Jerkbait over gravel, Casting spoon |
| Vinter | 1.5 to 11 m | dawn | Svartån inflow (2.5 m) | Jigging spoon, Small stickbait (slow) |
In spring, arctic char run shallow here, mostly 1 to 4.5 m. Summer pushes them deeper, 6 to 18 m, and winter fish settle into 3 to 12 m. Offshore hump is the standout, an offshore hump at roughly 7.5 m, rated prime for summer arctic char. Time it for early morning. You won't need more than a jigging spoon vertical or a tube jig (smelt) most summer days.
| Säsong | Djup | Bästa tid | Börja vid | Beten |
|---|---|---|---|---|
| Vår | 1 to 4.5 m | midday & dawn | Svartån inflow (2.5 m) | Small casting spoon (silver/orange), Jerkbait (small) |
| Sommar | 6 to 18 m | dawn | Offshore hump (7.5 m) | Jigging spoon vertical, Tube jig (smelt) |
| Höst | 2.5 to 9 m | midday & dusk | Rock reef (3 m) | Casting spoon (orange/gold), Beadhead streamer |
| Vinter | 3 to 12 m | midday & dawn | Offshore hump (7.5 m) | Jigging spoon (glow/silver), Tungsten jig + plastic |
In spring, lake whitefish run shallow here, mostly 4.5 to 14 m. Summer pushes them deeper, 12 to 27 m, and winter fish settle into 7.5 to 21 m. Rock reef is the standout, a rock pile at roughly 3 m, rated prime for fall lake whitefish. Time it for early morning. You won't need more than a blade bait vertical or a small jigging spoon most summer days.
| Säsong | Djup | Bästa tid | Börja vid | Beten |
|---|---|---|---|---|
| Vår | 4.5 to 14 m | midday & dawn | Offshore hump (7.5 m) | Small jig + waxworm, Blade bait (small) |
| Sommar | 12 to 27 m | dawn | Break off the point (24 m) | Blade bait vertical, Small jigging spoon |
| Höst | 2.5 to 9 m | dusk | Rock reef (3 m) | Small spoon (gold), Jig + plastic larva |
| Vinter | 7.5 to 21 m | midday & dawn | Offshore hump (7.5 m) | Jigging spoon + bead chain, Tungsten jig + waxie |
Early season northern pike use the shallows, holding in 0.5 to 2.5 m. Summer is a 2.5 to 6 m game here, winter a 1.5 to 4.5 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 bucktail or a weedless spoon over cabbage and you're in the game.
| 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 flat (3 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 |
Come spring, look for zander tight to the bank in 1 to 4.5 m. They move out to 4.5 to 11 m in summer and finish the year down in 6 to 12 m. If you only fish one area, make it Svartån inflow: an inflow / creek mouth around 2.5 m that scores prime in spring. Best bite is the evening and early morning. A vertical softbait over humps or a deep crankbait is the honest summer answer here.
| Säsong | Djup | Bästa tid | Börja vid | Beten |
|---|---|---|---|---|
| Vår | 1 to 4.5 m | dusk & dawn | Svartån inflow (2.5 m) | Softbait on jighead (10-12 cm), Shallow crankbait at dusk |
| Sommar | 4.5 to 11 m | dusk & dawn | Offshore hump (7.5 m) | Vertical softbait over humps, Deep crankbait |
| Höst | 3.5 to 12 m | dusk & night | Shoreline point (7.5 m) | Big softbait (12-16 cm) slow-rolled, Jigging spoon |
| Vinter | 6 to 12 m | dusk & dawn | Offshore hump (7.5 m) | Vertical jig / mormyshka with bait, Slow blade bait |
Spring burbot on Sommen hold shallow, usually 7.5 to 21 m. By summer they slide out to 15 to 37 m, and by winter most fish are in 4.5 to 18 m. The chart's best answer is Offshore hump — offshore hump, 7.5 m, prime for winter. Prime time lands in after dark and midday. The summer box starts with a heavy jig + cut bait.
| Säsong | Djup | Bästa tid | Börja vid | Beten |
|---|---|---|---|---|
| Vår | 7.5 to 21 m | night & dusk | Offshore hump (7.5 m) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Sommar | 15 to 37 m | night & midday | Break off the point (24 m) | Heavy jig + cut bait |
| Höst | 9 to 24 m | night & dusk | Break off the point (24 m) | Glow spoon + minnow head, Blade bait (slow) |
| Vinter | 4.5 to 18 m | night & dusk | Offshore hump (7.5 m) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Sommen also holds european perch (2.5 to 8.5 m in summer). Pick any of them on the map above for rated spots and bait picks.
Count 29 structure marks on this chart. The deepest, Deep basin, sits near 45 m.
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 Sommen specifically, so confirm the current rules before you fish.
Check the official Sweden fishing regulations →
Sommen is about 174 ft (53 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.
Sommen är som djupast cirka 53 meter (174 fot). Djupkartan är modellberäknad från sjöns verkliga strandlinje — använd den som vägledning, aldrig för navigation.
Anglers target brown trout, arctic char, lake whitefish, northern pike, zander, burbot, european perch on Sommen.
Svartån inflow is the top-rated area: an inflow / creek mouth in about 8 ft of water that rates prime for brown trout in spring. Every other rated spot, per species and season, is on the map above.
For brown trout, the summer bite is best in after dark and 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 Sommen 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.
Illern 6 mi · Lillsjön 8 mi · Strånnesjön 8 mi · Säbysjön 9 mi · Trehörningstorpssjön 9 mi · Tången 10 mi · Stora Sundsjön 10 mi · Lilla Sundsjön 11 mi · Rödjessjön 12 mi · Svarten 14 mi · Frucken 15 mi · Flugebosjön 15 mi
See how Sommen stacks up: best zander lakes in Sweden · best northern pike lakes in Sweden · best european perch lakes in Sweden · best brown trout lakes in Sweden
More water nearby: Ydre Municipality fishing maps (6 charts). Browse all Sweden fishing maps or 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.