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Fishing Iso-Valkea: what the data says
17-acre lake in Finland. The lake tops out around 33 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. Here is how the season plays out for each species, straight from the data behind the map.
The drawn water covers 17 acres wrapped in 0.9 miles of bank. A middling shoreline index (1.6) gives it some bays to work without being a maze. Roughly 51% of the water is 15 ft or less, the band where the food chain lives.
Ilmainen interaktiivinen kalastuskartta — Iso-Valkea, Suomi: syvyyskäyrät todellisista syvyysmittauksista 10 metriin (33 jalkaa) asti, parhaat kalapaikat lajeille ahven, hauki, kuha ja muut. Syvyyskartta on mallinnettu järven todellisesta rantaviivasta ja suurimmasta syvyydestä — käytä sitä suuntaa-antavana, älä koskaan navigointiin.
European Perch fishing at Iso-Valkea
Come spring, look for european perch tight to the bank in 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 Deep basin: a deep basin around 33 ft that scores prime in fall. Best bite is early morning. A drop-shot micro plastics or a small crankbait (perch pattern) is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | open water | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Break off the point (25 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 10 to 33 ft | midday | Deep basin (33 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 12 to 33 ft | midday & dawn | Deep basin (33 ft) | Tungsten jig + maggots, Small balance jig |
Northern Pike fishing at Iso-Valkea
Early season northern pike use the shallows, holding in 2 to 8 ft. Summer is a 8 to 20 ft game here, winter a 5 to 15 ft one. The chart's best answer is Main-lake point — point, 3 ft, good for fall. Best bite is early morning and the evening. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | open water | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Break off the point (25 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Main-lake point (3 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Main-lake point (3 ft) | Tip-ups, Large jigging spoon |
Zander fishing at Iso-Valkea
Come spring, look for zander tight to the bank in 4 to 15 ft. They move out to 10 to 33 ft in summer and finish the year down in 10 to 33 ft. If you only fish one area, make it Break off the point: a drop-off around 25 ft that scores prime in fall. Best bite is the evening and early morning. A vertical softbait over humps or a deep crankbait is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Main-lake point (3 ft) | Softbait on jighead (10-12 cm), Shallow crankbait at dusk |
| Summer | 10 to 33 ft | dusk & dawn | Break off the point (25 ft) | Vertical softbait over humps, Deep crankbait |
| Fall | 10 to 33 ft | dusk & night | Break off the point (25 ft) | Big softbait (12-16 cm) slow-rolled, Jigging spoon |
| Winter | 10 to 33 ft | dusk & dawn | Deep basin (33 ft) | Vertical jig / mormyshka with bait, Slow blade bait |
Lake Whitefish fishing at Iso-Valkea
In spring, lake whitefish run shallow here, mostly 10 to 33 ft. The depth story barely changes: 10 to 33 ft through summer, 10 to 33 ft in winter. Deep basin is the standout, a deep basin at roughly 33 ft, rated prime for summer 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.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 33 ft | midday & dawn | Break off the point (25 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 10 to 33 ft | dawn | Deep basin (33 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Break off the point (25 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 10 to 33 ft | midday & dawn | Deep basin (33 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Burbot fishing at Iso-Valkea
Spring burbot on Iso-Valkea hold shallow, usually 10 to 33 ft. The depth story barely changes: 10 to 33 ft through summer, 8 to 33 ft in winter. The chart's best answer is Deep basin — deep basin, 33 ft, prime for spring. Prime time lands in after dark and midday. The summer box starts with a heavy jig + cut bait.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 33 ft | night & dusk | Deep basin (33 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 10 to 33 ft | night & midday | Deep basin (33 ft) | Heavy jig + cut bait |
| Fall | 10 to 33 ft | night & dusk | Deep basin (33 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 8 to 33 ft | night & dusk | Deep basin (33 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Notable structure
- Deep basin: deep basin, around 33 ft
- Break off the point: drop-off, around 25 ft
- Main-lake point: point, around 3 ft
Iso-Valkea fishing regulations
Season dates, license requirements, and size and bag limits for Finland waters are set by the Kalastusrajoitus.fi (official Finnish restriction service) — and special regulations can apply to Iso-Valkea specifically, so confirm the current rules before you fish.
Check the official Finland fishing regulations →
Common questions
How deep is Iso-Valkea?
Iso-Valkea is about 33 ft (10 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 Iso-Valkea?
Anglers target zander, northern pike, european perch, lake whitefish, burbot on Iso-Valkea. This isn't a survey of the water — none is published for it — but an informed estimate from the species common to the region, narrowed by this water's depth, size and each species' range.
Where is the best fishing spot on Iso-Valkea?
Deep basin is the top-rated area: a deep basin in about 33 ft of water that rates prime for european perch in fall. The map above holds the full rated-spot list for every species and season.
When is the best time to fish Iso-Valkea?
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.
What are the fishing regulations for Iso-Valkea?
Fishing on Iso-Valkea is regulated by the Kalastusrajoitus.fi (official Finnish restriction service). Check the official Finland regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Nearby waters
Tielampi 0 mi · Sotkulampi 1 mi · Syvälampi 1 mi · Kotalampi (S) 1 mi · Lusikkalampi 2 mi · Urtsanlampi 2 mi · Pirttijärvet 3 mi · Kotajärvi 3 mi · Kortelampi 3 mi · Viislahna 3 mi · Ylimmäinen Palojärvi 4 mi · Kalalampi 4 mi
See how Iso-Valkea stacks up: best zander lakes in Finland · best northern pike lakes in Finland · best european perch lakes in Finland · best lake whitefish lakes in Finland
Browse all Finland fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.