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Fishing Lohjanjärvi: what the data says
21,799-acre lake near Lohja. The largest lake in Uusimaa, west of Helsinki. a clear, deep, 30-plus-species water best known for its strong zander fishing. The lake tops out around 172 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 — Lohjanjärvi, Suomi: syvyyskäyrät todellisista syvyysmittauksista 52 metriin (172 jalkaa) asti, parhaat kalapaikat lajeille kuha, hauki, ahven 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.
Zander fishing at Lohjanjärvi
Spring zander on Lohjanjärvi 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. The spot to know is Rock reef, a rock pile in about 6 ft of water that rates prime for zander in spring. Plan around the evening and early morning in the warm months. Summer baits: a vertical softbait over humps or a deep crankbait gets it done.
| 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 |
Northern Pike fishing at Lohjanjärvi
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. By summer they slide out to 8 to 20 ft, and by winter most fish are in 5 to 15 ft. If you only fish one area, make it Back-bay flat: a weed flat around 2 ft that scores prime in spring. In summer the feeding windows fall in 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 Lohjanjärvi
In spring, european perch run shallow here, mostly 3 to 12 ft. By summer they slide out to 8 to 28 ft, and by winter most fish are in 12 to 33 ft. The spot to know is Shallow flat, a weed flat in about 9 ft of water that rates prime for european perch in spring. In summer the feeding windows fall in early morning. Summer baits: a drop-shot micro plastics or a small crankbait (perch pattern) gets it done.
| 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 |
Brown Trout fishing at Lohjanjärvi
Spring brown trout on Lohjanjärvi hold shallow, usually 3 to 25 ft. By summer they slide out to 25 to 60 ft, and by winter most fish are in 5 to 35 ft. Main-lake point is the standout, a point at roughly 13 ft, rated prime for spring brown trout. Plan around after dark and early morning in the warm months. 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 | 25 to 60 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) |
Lake Whitefish fishing at Lohjanjärvi
Spring lake whitefish on Lohjanjärvi hold shallow, usually 15 to 45 ft. By summer they slide out to 40 to 90 ft, and by winter most fish are in 25 to 70 ft. Rock reef is the standout, a rock pile at roughly 6 ft, rated prime for fall lake whitefish. Plan around early morning in the warm months. A blade bait vertical or a small jigging spoon covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 40 to 90 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
Burbot fishing at Lohjanjärvi
Start shallow in spring: burbot sit in 25 to 70 ft that time of year. By summer they slide out to 50 to 120 ft, and by winter most fish are in 15 to 60 ft. If you only fish one area, make it Rock reef: a rock pile around 6 ft that scores prime in winter. In summer the feeding windows fall in after dark and midday. A heavy jig + cut bait covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 25 to 70 ft | night & dusk | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 50 to 120 ft | night & midday | Heavy jig + cut bait |
| Fall | 30 to 80 ft | night & dusk | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 15 to 60 ft | night & dusk | Glow tungsten + cut bait, Rattle spoon + minnow head |
Notable structure
- Deep basin: deep basin, around 172 ft
- Shallow bay flat: weed flat, around 72 ft
- Feeding flat: feeding flat, around 24 ft
- Feeding flat: feeding flat, around 16 ft
- Main-lake point: point, around 13 ft
- Shoreline point: point, around 12 ft
- Shoreline point: point, around 10 ft
- Shallow flat: weed flat, around 9 ft
- Shoreline point: point, around 7 ft
- Shoreline point: point, around 7 ft
- Rock reef: rock pile, around 6 ft
- Rock reef: rock pile, around 6 ft
- Feeding flat: feeding flat, around 5 ft
- Rock reef: rock pile, around 5 ft
Common questions
How deep is Lohjanjärvi?
Lohjanjärvi is about 172 ft (52 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 Lohjanjärvi?
Anglers target zander, northern pike, european perch, brown trout, lake whitefish, burbot on Lohjanjärvi.
Where is the best fishing spot on Lohjanjärvi?
Back-bay flat is the top-rated area: a weed flat in about 2 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 Lohjanjärvi?
For zander, the summer bite is best in the evening 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.
Nearby waters
Hiidenvesi · Kukkia · Näsijärvi · Pyhäjärvi (Säkylä) · Keurusselkä · Päijänne
See how Lohjanjärvi 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.