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Best brown trout lakes in Finland

19 Finland waters hold brown trout, 11 mapped with real state-agency depth surveys. Ranked below by size and depth-data quality — open any water to see exactly where to fish it: depth contours, scored spots with plain-English reasons, seasonal windows and bait picks. Wary, nocturnal-leaning predator. Shorelines and inflows in cold months; the thermocline in summer.

1. Päijänne — 313 ft max · Zander, Northern Pike, European Perch, Brown Trout
2. Inarijärvi — 302 ft max · Northern Pike, European Perch, Brown Trout, Landlocked Salmon
3. Pielinen — 197 ft max · Zander, Northern Pike, European Perch, Brown Trout
4. Keitele — 217 ft max · Zander, Northern Pike, European Perch, Brown Trout
5. Oulujärvi — 125 ft max · Zander, Northern Pike, European Perch, Brown Trout
6. Kallavesi — 246 ft max · Zander, Northern Pike, European Perch, Brown Trout
7. Kyyvesi — 123 ft max · survey depth data · Zander, Northern Pike, European Perch, Brown Trout
8. Puula — 203 ft max · Zander, Northern Pike, European Perch, Brown Trout
9. Näsijärvi — 207 ft max · Zander, Northern Pike, European Perch, Brown Trout
10. Pyhäjärvi (Säkylä) — 82 ft max · survey depth data · Northern Pike, European Perch, Brown Trout, Lake Whitefish
11. Lohjanjärvi — 172 ft max · survey depth data · Zander, Northern Pike, European Perch, Brown Trout
12. Kuolimo — 139 ft max · survey depth data · Zander, Northern Pike, European Perch, Brown Trout
13. Iijärvi — 123 ft max · survey depth data · Northern Pike, Brown Trout, Lake Whitefish, Arctic Char
14. Vuohijärvi — 254 ft max · survey depth data · Zander, Northern Pike, European Perch, Brown Trout
15. Simpelejärvi — 107 ft max · survey depth data · Zander, Northern Pike, European Perch, Brown Trout
16. Sysmä — 57 ft max · survey depth data · Zander, Northern Pike, European Perch, Brown Trout
17. Kukkia — 123 ft max · survey depth data · Zander, Northern Pike, European Perch, Brown Trout
18. Nitsijärvi — 123 ft max · survey depth data · Northern Pike, European Perch, Brown Trout, Lake Whitefish
19. Armisvesi — 115 ft max · survey depth data · Zander, Northern Pike, European Perch, Brown Trout

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When to fish brown trout in Finland

• Spring 3–25 ft — Cold-water browns hug shorelines, river mouths and mud lines — often in a few feet of water early and late.
• Summer 25–60 ft — Browns sit at the thermocline by day and slide shallow after dark — the night troll takes the giants.
• Fall 5–30 ft — Spawn-run browns stage off tributaries and gravel shorelines, aggressive and territorial.
• Winter 5–35 ft — Browns feed all winter — nearshore when bait is in, deeper breaks otherwise.

Also in Finland: best zander lakes · best northern pike lakes · best european perch lakes · best landlocked salmon lakes · best lake whitefish lakes · best burbot lakes

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