Lake depth chart
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Rating depth structure for northern pike.
Recent public catches load as you reach this section.
267-acre lake in Norway. The lake tops out around 40 m. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. The season-by-season read for each species follows, from the map's own numbers.
På kartet dekker Grasmyrskogvatnet 108 hektar innenfor 5.3 km strandlinje. Bassenget er enkelt (strandindeks 1.4) — nesten en bolle, så dybdekurvene betyr mer enn stranden. Omtrent 21% av flaten er grunnere enn ~5 m — der maten finnes. Fra ende til ende måler vannet omtrent 1.9 km, på det bredeste 1.1 km. Vannet ligger i Lenvik kommune. Nærmeste kartlagte vann er Heggevatnet, 9.7 km mot nordvest.
Gratis interaktivt fiskekart — Grasmyrskogvatnet, Norge: dybdekoter fra ekte dybdemålinger ned til 40 m (131 fot), og de beste fiskeplassene for ørret, abbor, gjedde med flere. Dybdekartet er modellberegnet fra innsjøens virkelige strandlinje og største dybde — bruk det som en veiledning, aldri til navigasjon.
Early season brown trout use the shallows, holding in 1 to 7.5 m. Expect a summer slide to 7.5 to 18 m, then a winter hold in 1.5 to 11 m. Put Break off the point first on the milk run — a drop-off near 9.5 m that grades prime for summer. In summer the feeding windows fall in after dark and early morning. Tie on a spoon at the thermocline or a deep stickbait (night) and you're in the game.
| Sesong | Dybde | Beste tid | Start ved | Agn |
|---|---|---|---|---|
| Vår | 1 to 7.5 m | dawn & dusk | Main-lake point (2 m) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Sommer | 7.5 to 18 m | night & dawn | Break off the point (9.5 m) | Spoon at the thermocline, Deep stickbait (night) |
| Høst | 1.5 to 9 m | dusk & dawn | Main-lake point (2 m) | Jerkbait over gravel, Casting spoon |
| Vinter | 1.5 to 11 m | dawn | Break off the point (9.5 m) | Jigging spoon, Small stickbait (slow) |
Spring puts european perch in skinny water — 1 to 3.5 m is the zone. As the season builds they drop to 2.5 to 8.5 m, wintering in 3.5 to 10 m. Spring european perch concentrate at Back-bay flat, a prime-rated weed flat around 2.5 m. Warm-month bites cluster around early morning. A drop-shot micro plastics or a small crankbait (perch pattern) covers the summer program.
| Sesong | Dybde | Beste tid | Start ved | Agn |
|---|---|---|---|---|
| Vår | 1 to 3.5 m | midday & dawn | Back-bay flat (2.5 m) | Small jig + curly tail, Inline spinner #1-2 |
| Sommer | 2.5 to 8.5 m | dawn | Back-bay flat (2.5 m) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Høst | 3 to 10 m | midday | Break off the point (9.5 m) | Jigging spoon (small), Drop-shot on deep flats |
| Vinter | 3.5 to 10 m | midday & dawn | Break off the point (9.5 m) | Tungsten jig + maggots, Small balance jig |
Spring puts northern pike in skinny water — 0.5 to 2.5 m is the zone. Warm water sends them out to 2.5 to 6 m; cold water stacks them in 1.5 to 4.5 m. Shallow bay flat is the standout, a weed flat at roughly 0.5 m, rated prime for spring northern pike. Plan around early morning and the evening in the warm months. A bucktail or a weedless spoon over cabbage covers the summer program.
| Sesong | Dybde | Beste tid | Start ved | Agn |
|---|---|---|---|---|
| Vår | 0.5 to 2.5 m | midday & dawn | Shallow bay flat (0.5 m) | #5 inline spinner, Spoon (red/white) |
| Sommer | 2.5 to 6 m | dawn & dusk | Back-bay flat (2.5 m) | Bucktail, Weedless spoon over cabbage |
| Høst | 2 to 5.5 m | midday & dawn | Back-bay flat (2.5 m) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Vinter | 1.5 to 4.5 m | midday | Back-bay flat (2.5 m) | Tip-ups, Large jigging spoon |
When the water first warms, lake whitefish slide up into 4.5 to 14 m. Summer is a 12 to 27 m game here, winter a 7.5 to 21 m one. Start at Deep basin. It's a deep basin holding about 20 m of water and rates prime come summer. The feeding windows run early morning. Keep a blade bait vertical or a small jigging spoon rigged through the warm months.
| Sesong | Dybde | Beste tid | Start ved | Agn |
|---|---|---|---|---|
| Vår | 4.5 to 14 m | midday & dawn | Break off the point (9.5 m) | Small jig + waxworm, Blade bait (small) |
| Sommer | 12 to 27 m | dawn | Deep basin (20 m) | Blade bait vertical, Small jigging spoon |
| Høst | 2.5 to 9 m | dusk | Break off the point (9.5 m) | Small spoon (gold), Jig + plastic larva |
| Vinter | 7.5 to 21 m | midday & dawn | Deep basin (20 m) | Jigging spoon + bead chain, Tungsten jig + waxie |
When the water first warms, arctic char slide up into 1 to 4.5 m. Summer is a 6 to 18 m game here, winter a 3 to 12 m one. Start at Deep basin. It's a deep basin holding about 20 m of water and rates prime come summer. The feeding windows run early morning. Keep a jigging spoon vertical or a tube jig (smelt) rigged through the warm months.
| Sesong | Dybde | Beste tid | Start ved | Agn |
|---|---|---|---|---|
| Vår | 1 to 4.5 m | midday & dawn | open water | Small casting spoon (silver/orange), Jerkbait (small) |
| Sommer | 6 to 18 m | dawn | Deep basin (20 m) | Jigging spoon vertical, Tube jig (smelt) |
| Høst | 2.5 to 9 m | midday & dusk | Break off the point (9.5 m) | Casting spoon (orange/gold), Beadhead streamer |
| Vinter | 3 to 12 m | midday & dawn | Break off the point (9.5 m) | Jigging spoon (glow/silver), Tungsten jig + plastic |
6 pieces of structure are mapped here — Deep basin, around 20 m, is the deepest of them.
Season dates, license requirements, and size and bag limits for Norway waters are set by the Norwegian Environment Agency (fishing rules) — and special regulations can apply to Grasmyrskogvatnet specifically, so confirm the current rules before you fish.
Check the official Norway fishing regulations →
Grasmyrskogvatnet is about 131 ft (40 m) deep at its deepest point. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Grasmyrskogvatnet er på det dypeste omtrent 40 meter (131 fot). Dybdene kommer fra virkelige målinger.
Anglers target brown trout, european perch, northern pike, lake whitefish, arctic char on Grasmyrskogvatnet. 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.
Back-bay flat is the top-rated area: a weed flat in about 9 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.
For brown trout, the summer bite is best in after dark 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.
Fishing on Grasmyrskogvatnet is regulated by the Norwegian Environment Agency (fishing rules). Check the official Norway regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Heggevatnet 6 mi · Storvatnet 7 mi · Čáhppesjávri 7 mi · Tennevatnet 8 mi · Vardnesvatnet 10 mi · Várevuoljávri 10 mi · Gisundet - Middle 11 mi · Gisundet - North 12 mi · Åndervatnet 14 mi · Malangen - Outer 17 mi · Skuođđojávri 18 mi · Malangen - Inner 18 mi
See how Grasmyrskogvatnet stacks up: best northern pike lakes in Norway · best european perch lakes in Norway · best brown trout lakes in Norway · best lake whitefish lakes in Norway
Browse all Norway fishing maps. See every water on DepthScout. Bathymetry: published agency survey data. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.