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Fishing Kolmperse-Vähävesi: what the data says
353-acre lake in Finland. The lake tops out around 49 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. The season-by-season read for each species follows, from the map's own numbers.
Kolmperse-Vähävesi maps at 357 acres behind 11.2 miles of shoreline. With a shoreline index of 4.2, this water is all arms and coves — edge habitat well beyond its acreage. About 73% of the surface sits shallower than 15 ft — that's the weed-and-bait zone.
Ilmainen interaktiivinen kalastuskartta — Kolmperse-Vähävesi, Suomi: syvyyskäyrät todellisista syvyysmittauksista 15 metriin (49 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 Kolmperse-Vähävesi
Early season european perch use the shallows, holding in 3 to 12 ft. Expect a summer slide to 8 to 28 ft, then a winter hold in 12 to 33 ft. Put Back-bay flat first on the milk run — a weed flat near 5 ft that grades prime for spring. In summer the feeding windows fall in 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 | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Back-bay flat (5 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Back-bay flat (5 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 10 to 33 ft | midday | Deep basin (49 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 12 to 33 ft | midday & dawn | Deep basin (49 ft) | Tungsten jig + maggots, Small balance jig |
Northern Pike fishing at Kolmperse-Vähävesi
Come spring, look for northern pike tight to the bank in 2 to 8 ft. Expect a summer slide to 8 to 20 ft, then a winter hold in 5 to 15 ft. Start at Shallow bay flat. It's a weed flat holding about 2 ft of water and rates prime come spring. Prime time lands in early morning and the evening. A bucktail or a weedless spoon over cabbage is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (2 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Back-bay flat (5 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Back-bay flat (5 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Back-bay flat (5 ft) | Tip-ups, Large jigging spoon |
Zander fishing at Kolmperse-Vähävesi
Early season zander use the shallows, holding in 4 to 15 ft. Expect a summer slide to 15 to 35 ft, then a winter hold in 20 to 40 ft. Put Secondary point first on the milk run — a point near 6 ft that grades prime for spring. In summer the feeding windows fall in 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 | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Secondary point (6 ft) | Softbait on jighead (10-12 cm), Shallow crankbait at dusk |
| Summer | 15 to 35 ft | dusk & dawn | Secondary point (6 ft) | Vertical softbait over humps, Deep crankbait |
| Fall | 12 to 40 ft | dusk & night | Secondary point (6 ft) | Big softbait (12-16 cm) slow-rolled, Jigging spoon |
| Winter | 20 to 40 ft | dusk & dawn | Deep basin (49 ft) | Vertical jig / mormyshka with bait, Slow blade bait |
Lake Whitefish fishing at Kolmperse-Vähävesi
The spring pattern is a shallow one: lake whitefish in 15 to 45 ft. Midsummer fish sit out in 15 to 49 ft before dropping to 15 to 49 ft for winter. The spot to know is Deep basin, a deep basin in about 49 ft of water that rates prime for lake whitefish in summer. Plan around early morning in the warm months. Summer baits: a blade bait vertical or a small jigging spoon gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | open water | Small jig + waxworm, Blade bait (small) |
| Summer | 15 to 49 ft | dawn | Deep basin (49 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Secondary point (6 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 15 to 49 ft | midday & dawn | Deep basin (49 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Burbot fishing at Kolmperse-Vähävesi
Come spring, look for burbot tight to the bank in 15 to 49 ft. There's no big seasonal slide here — summer means 15 to 49 ft, winter 12 to 49 ft. If you only fish one area, make it Deep basin: a deep basin around 49 ft that scores prime in spring. Best bite is after dark and midday. A heavy jig + cut bait is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 49 ft | night & dusk | Deep basin (49 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 15 to 49 ft | night & midday | Deep basin (49 ft) | Heavy jig + cut bait |
| Fall | 15 to 49 ft | night & dusk | Deep basin (49 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 12 to 49 ft | night & dusk | Deep basin (49 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Notable structure
- Deep basin: deep basin, around 49 ft
- Secondary point: point, around 6 ft
- Back-bay flat: weed flat, around 5 ft
- Main-lake point: point, around 2 ft
- Shallow bay flat: weed flat, around 2 ft
Kolmperse-Vähävesi 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 Kolmperse-Vähävesi specifically, so confirm the current rules before you fish.
Check the official Finland fishing regulations →
Common questions
How deep is Kolmperse-Vähävesi?
Kolmperse-Vähävesi is about 49 ft (15 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 Kolmperse-Vähävesi?
Anglers target zander, northern pike, european perch, lake whitefish, burbot on Kolmperse-Vähävesi. 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 Kolmperse-Vähävesi?
Back-bay flat is the top-rated area: a weed flat in about 5 ft of water that rates prime for european perch in spring. The map above holds the full rated-spot list for every species and season.
When is the best time to fish Kolmperse-Vähävesi?
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 Kolmperse-Vähävesi?
Fishing on Kolmperse-Vähävesi 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
Jäljänjärvi 1 mi · Saukonpää 1 mi · Antiainen 1 mi · Tämäkohtu 1 mi · Vuotinainen 2 mi · Saarijärvi 2 mi · Vahermanjärvi 3 mi · Tarkeelanjärvi 3 mi · Niemilampi 4 mi · Salovesi 4 mi · Löyttyjärvi 4 mi · Onkimaanjärvi 4 mi
See how Kolmperse-Vähävesi 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.