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Fishing Umnässjön: what the data says
3,143-acre lake in Sweden. The lake tops out around 144 ft. Contours on this water are modeled from its actual shoreline and max depth. Good for finding likely water, never for navigation. What the data behind the map says about each species, season by season:
Traced from the shoreline, Umnässjön runs 3,135 acres with 18.1 miles of edge. A development index of 2.3 means a maze of bays and points: far more casting targets than a round bowl of the same size. Roughly 13% of the water is 15 ft or less as modeled, the band where the food chain lives.
Gratis interaktiv fiskekarta — Umnässjön, Sverige: ungefärliga djupkurvor ner till 44 m (144 fot), och de bästa fiskeplatserna för gädda, abborre, öring med flera. Djupkartan är modellberäknad från sjöns verkliga strandlinje och största djup — använd den som vägledning, aldrig för navigation.
Northern Pike fishing at Umnässjön
Spring puts northern pike in skinny water — 2 to 8 ft is the zone. Warm water sends them out to 8 to 20 ft; cold water stacks them in 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 6 ft, 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.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (6 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Shallow bay flat (6 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Shallow bay flat (6 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (6 ft) | Tip-ups, Large jigging spoon |
European Perch fishing at Umnässjön
Spring puts european perch in skinny water — 3 to 12 ft is the zone. As the season builds they drop to 8 to 28 ft, wintering in 12 to 33 ft. Spring european perch concentrate at Shallow bay flat, a prime-rated weed flat around 6 ft. Warm-month bites cluster around early morning. A drop-shot micro plastics or a small crankbait (perch pattern) covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (6 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Shallow bay flat (6 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 10 to 33 ft | midday | Deep basin (122 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 12 to 33 ft | midday & dawn | Deep basin (122 ft) | Tungsten jig + maggots, Small balance jig |
Brown Trout fishing at Umnässjön
Early season brown trout use the shallows, holding in 3 to 25 ft. Expect a summer slide to 25 to 60 ft, then a winter hold in 5 to 35 ft. Put Shoreline point first on the milk run — a point near 9 ft that grades prime for spring. 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.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Shoreline point (9 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 25 to 60 ft | night & dawn | Break off the point (65 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 5 to 30 ft | dusk & dawn | Rock reef (10 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 5 to 35 ft | dawn | Break off the point (65 ft) | Jigging spoon, Small stickbait (slow) |
Lake Whitefish fishing at Umnässjön
When the water first warms, lake whitefish slide up into 15 to 45 ft. Summer is a 40 to 90 ft game here, winter a 25 to 70 ft one. Start at Rock reef. It's a rock pile holding about 10 ft of water and rates prime come fall. The feeding windows run early morning. Keep a blade bait vertical or a small jigging spoon rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Rock reef (10 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 40 to 90 ft | dawn | Break off the point (65 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Rock reef (10 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Break off the point (65 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Burbot fishing at Umnässjön
Start shallow in spring: burbot sit in 25 to 70 ft that time of year. Warm water sends them out to 50 to 120 ft; cold water stacks them in 15 to 60 ft. Top water on the chart: Deep basin, a deep basin in the 122-ft range, prime in summer. Fish it in after dark and midday and you'll meet the bite. Throw a heavy jig + cut bait until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 25 to 70 ft | night & dusk | Break off the point (65 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 50 to 120 ft | night & midday | Deep basin (122 ft) | Heavy jig + cut bait |
| Fall | 30 to 80 ft | night & dusk | Break off the point (65 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 15 to 60 ft | night & dusk | Rock reef (10 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Notable structure
- Deep basin: deep basin, around 122 ft
- Break off the point: drop-off, around 65 ft
- Main-lake point: point, around 36 ft
- Secondary point: point, around 36 ft
- Rock reef: rock pile, around 10 ft
- Shoreline point: point, around 9 ft
- Rock reef: rock pile, around 8 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
- Rock reef: rock pile, around 5 ft
- Rock reef: rock pile, around 5 ft
Umnässjön fishing regulations
Season dates, license requirements, and size and bag limits for Sweden waters are set by the Svenska Fiskeregler (official Swedish rules service) — and special regulations can apply to Umnässjön specifically, so confirm the current rules before you fish.
Check the official Sweden fishing regulations →
Common questions
How deep is Umnässjön?
Umnässjön is about 144 ft (44 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Umnässjön?
Anglers target northern pike, european perch, brown trout, lake whitefish, burbot on Umnässjön. 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 Umnässjön?
Shallow bay flat is the top-rated area: a weed flat in about 6 ft of water that rates prime for northern pike in spring. The map above holds the full rated-spot list for every species and season.
When is the best time to fish Umnässjön?
For northern pike, the summer bite is best in early morning and the evening. 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 Umnässjön?
Fishing on Umnässjön is regulated by the Svenska Fiskeregler (official Swedish rules service). Check the official Sweden regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Nearby waters
Nedre Boksjön 9 mi · Gardiken 10 mi · Övre Boksjön 15 mi · Ajaure 16 mi · Dikasjön 16 mi · Juksjaurbleriken 18 mi · Bergsjön 19 mi · Fjosoken 20 mi · Överst-Juktan 21 mi · Geavhta 21 mi · Storuman 22 mi · Borkasjön 23 mi
See how Umnässjön stacks up: best northern pike lakes in Sweden · best european perch lakes in Sweden · best brown trout lakes in Sweden · best lake whitefish lakes in Sweden
Browse all Sweden fishing maps or see every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.