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Fishing Sysmä: what the data says
8,196-acre lake near Joroinen. A humic Vuoksi-system lake at Joroinen. pike, perch and zander water with stocked lake trout. The lake tops out around 57 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Below is the species-by-species picture, pulled from the same data the map uses.
Ilmainen interaktiivinen kalastuskartta — Sysmä, Suomi: syvyyskäyrät todellisista syvyysmittauksista 17 metriin (57 jalkaa) asti, parhaat kalapaikat lajeille hauki, ahven, kuha ja taimen, sekä kausikohtaiset syöntiajat ja syöttivinkit. Ei rekisteröitymistä. Syvyyskartta on mallinnettu järven todellisesta rantaviivasta ja suurimmasta syvyydestä — käytä sitä suuntaa-antavana, älä koskaan navigointiin.
Northern Pike fishing at Sysmä
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 5 to 15 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. Best bite is early morning and the evening. A bucktail or a weedless spoon over cabbage covers the summer program.
| 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 Sysmä
Spring european perch on Sysmä hold shallow, usually 3 to 12 ft. They move out to 8 to 28 ft in summer and finish the year down in 12 to 33 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. Best bite is early morning. Tie on a drop-shot micro plastics or a small crankbait (perch pattern) and you're in the game.
| 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 |
Zander fishing at Sysmä
Spring zander on Sysmä hold shallow, usually 4 to 15 ft. They move out to 15 to 35 ft in summer and finish the year down in 20 to 40 ft. If you only fish one area, make it Deep basin: a deep basin around 43 ft that scores prime in winter. Best bite is the evening and early morning. Tie on a vertical softbait over humps or a deep crankbait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Softbait on jighead (10-12 cm), Shallow crankbait at dusk |
| Summer | 15 to 35 ft | dusk & dawn | Vertical softbait over humps, Deep crankbait |
| Fall | 12 to 40 ft | dusk & night | Big softbait (12-16 cm) slow-rolled, Jigging spoon |
| Winter | 20 to 40 ft | dusk & dawn | Vertical jig / mormyshka with bait, Slow blade bait |
Brown Trout fishing at Sysmä
Spring brown trout on Sysmä hold shallow, usually 3 to 25 ft. They move out to 17 to 57 ft in summer and finish the year down in 5 to 35 ft. If you only fish one area, make it Deep basin: a deep basin around 43 ft that scores prime in summer. In summer the feeding windows fall in after dark and early morning. A spoon at the thermocline or a deep stickbait (night) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 17 to 57 ft | night & dawn | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 5 to 30 ft | dusk & dawn | Jerkbait over gravel, Casting spoon |
| Winter | 5 to 35 ft | dawn | Jigging spoon, Small stickbait (slow) |
Notable structure
- Deep basin: deep basin, around 43 ft
- Shallow feeding flat: feeding flat, around 19 ft
- Shallow feeding flat: feeding flat, around 7 ft
- Weed flat: weed flat, around 7 ft
- Secondary point: point, around 6 ft
- Shallow bay flat: weed flat, around 3 ft
- Back-bay flat: weed flat, around 3 ft
- Rock reef: rock pile, around 3 ft
- Rock reef: rock pile, around 3 ft
- Main-lake point: point, around 2 ft
- Rock reef: rock pile, around 2 ft
- Rock reef: rock pile, around 2 ft
Common questions
How deep is Sysmä?
Sysmä is about 57 ft (17 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Sysmä?
Anglers target zander, northern pike, european perch, brown trout on Sysmä.
Where is the best fishing spot on Sysmä?
Shallow bay flat is the top-rated area: a weed flat in about 3 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 Sysmä?
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
Maavesi · Kallavesi · Kyyvesi · Kuolimo · Puula · Armisvesi
See how Sysmä stacks up: best zander lakes in Finland · best northern pike lakes in Finland · best european perch lakes in Finland · best brown trout lakes in Finland
Browse all Finland fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.