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Fishing Iso Simolampi: what the data says
270-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. Below is the species-by-species picture, pulled from the same data the map uses.
On the chart, Iso Simolampi draws 272 acres inside 3.8 miles of shoreline. The shoreline is moderately structured (index 1.6) — enough points and pockets to pattern. About 66% of the surface sits shallower than 15 ft — that's the weed-and-bait zone.
Ilmainen interaktiivinen kalastuskartta — Iso Simolampi, 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 Iso Simolampi
Start shallow in spring: european perch sit in 3 to 12 ft that time of year. Warm water sends them out to 8 to 28 ft; cold water stacks them in 12 to 33 ft. Top water on the chart: Shallow bay flat, a weed flat in the 5-ft range, prime in spring. Fish it in early morning and you'll meet the bite. Throw a drop-shot micro plastics or a small crankbait (perch pattern) until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (5 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Break off the point (11 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 10 to 33 ft | midday | Break off the point (11 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 12 to 33 ft | midday & dawn | Break off the point (11 ft) | Tungsten jig + maggots, Small balance jig |
Northern Pike fishing at Iso Simolampi
The spring pattern is a shallow one: northern pike in 2 to 8 ft. As the season builds they drop to 8 to 20 ft, wintering in 5 to 15 ft. Top water on the chart: Shallow bay flat, a weed flat in the 5-ft range, prime in spring. Time it for early morning and the evening. Summer baits: a bucktail or a weedless spoon over cabbage gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (5 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Break off the point (11 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Break off the point (11 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (5 ft) | Tip-ups, Large jigging spoon |
Zander fishing at Iso Simolampi
Start shallow in spring: zander sit in 4 to 15 ft that time of year. Warm water sends them out to 15 to 35 ft; cold water stacks them in 20 to 40 ft. Top water on the chart: Break off the point, a drop-off in the 11-ft range, prime in fall. Fish it in the evening and early morning and you'll meet the bite. Throw a vertical softbait over humps or a deep crankbait until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Main-lake point (5 ft) | Softbait on jighead (10-12 cm), Shallow crankbait at dusk |
| Summer | 15 to 35 ft | dusk & dawn | Break off the point (11 ft) | Vertical softbait over humps, Deep crankbait |
| Fall | 12 to 40 ft | dusk & night | Break off the point (11 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 Iso Simolampi
Spring lake whitefish on Iso Simolampi hold shallow, usually 15 to 45 ft. By summer they slide out to 15 to 49 ft, and by winter most fish are in 15 to 49 ft. The chart's best answer is Deep basin — deep basin, 49 ft, prime for summer. Prime time lands in early morning. The summer box starts with a blade bait vertical or a small jigging spoon.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Break off the point (11 ft) | 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 | Break off the point (11 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 Iso Simolampi
In spring, burbot run shallow here, mostly 15 to 49 ft. There's no big seasonal slide here — summer means 15 to 49 ft, winter 12 to 49 ft. Deep basin is the standout, a deep basin at roughly 49 ft, rated prime for spring burbot. Time it for after dark and midday. You won't need more than a heavy jig + cut bait most summer days.
| 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
- Break off the point: drop-off, around 11 ft
- Secondary point: point, around 6 ft
- Main-lake point: point, around 5 ft
- Shallow bay flat: weed flat, around 5 ft
- Back-bay flat: weed flat, around 2 ft
Iso Simolampi 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 Simolampi specifically, so confirm the current rules before you fish.
Check the official Finland fishing regulations →
Common questions
How deep is Iso Simolampi?
Iso Simolampi 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 Iso Simolampi?
Anglers target zander, northern pike, european perch, lake whitefish, burbot on Iso Simolampi. 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 Simolampi?
Shallow 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 Iso Simolampi?
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 Simolampi?
Fishing on Iso Simolampi 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
Niettaanselkä 2 mi · Haapojärvi 3 mi · Valkiajärvi 4 mi · Satulainen 5 mi · Petkeljärvi 7 mi · Oinaslampi 7 mi · Oskajärvi 7 mi · Varpojärvi 10 mi · Pahkalampi 11 mi · Polvinen 11 mi · Kätkytlampi 11 mi · Vehkalampi 11 mi
See how Iso Simolampi 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.