Freestone · Mixed · Uppsala

Älvkarleby / lower Dalälven

Älvkarleby / lower Dalälven terrain map
Terrain map

Älvkarleby marks the lower Dalälven where Sweden's longest river system meets accessible salmon and sea-trout fishing.

Species

Decent — worth a look

Low and clear — careful approach country. Low water tactics — small singles, riffling hitch in the smooth glides.

50% confidence in this read
Water temperature for atlantic salmon
Cool — slow
7°C est.ideal 1014°C
0°14°28°
Why this score · for atlantic salmon
  • Temperature3030% weight
  • Flow4525% weight
  • Clarity9520% weight
  • Feeding Time1015% weight
  • Pressure8510% weight
Conditions
Level
Dry recently
No gauge reading
Water temp
6.7°C
Estimated
Clarity
Clear
Air temp
8°C
Wind
S 4 km/h
Calm
Pressure
1004 hPa
Rain · 48h
0.0 mm
No meaningful rain
Rain · ahead
0.0 mm
No meaningful rain · next 48h

Live readings — water temperature is an estimate where the gauge does not record it.

How to fish it · for atlantic salmon
When
Morning into early afternoon.
Where
Pool tails, steadier runs, and any water with pace.
Method
Fish a sensible line-and-fly combination for the height and pace of water.
Kit
13 ft #8/9 double-hander in spate, 10 ft #8 single in low water. Floating line plus a fast-sink tip. 12–15 lb fluoro tippet.
Why this works
Fair conditions. Clarity is favourable (95), Feeding time is weakest (10).
Through the year
0–3 scale · May highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Salmon runRun
1
2
1
Sea trout runRun
1
2
2
2
2
2
2
2
1
GrannomHatch
2
2
Evening SedgeHatch
2
3
3
3
2
Large Dark OliveHatch
1
2
2
1
Iron BlueHatch
1
2
2
1

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Permits & access
Permit required — see local rules.
  • Section-based fishery (A, B, C)
  • Wild fish must be released — only adipose-fin-clipped stocked fish may be kept
  • Daily limit 3 salmonids
  • Min 50 cm salmon, 45 cm sea trout
  • Post-2025 hatchery transition — check current stocking status.
Directions
About this water

Älvkarleby marks the lower Dalälven where Sweden's longest river system meets accessible salmon and sea-trout fishing. A major heritage fishery with deep cultural significance, but one shaped by stocking, section rules, and hatchery logic rather than a simple wild-river destination story. Wild salmon and wild sea trout must be released — only adipose-fin-clipped stocked fish may be kept. The season splits into three windows: spring sea trout (March–mid-May), summer salmon (end of May–end of July, June peak), and autumn sea trout (September–November). SLU's Älvkarleby research station closed in 2025 after final stocking releases — the post-hatchery transition needs monitoring. Section-based fishery (A, B, C) with different species emphasis per section.

  • Mixed
Seasons & zones
  • Salmonlate May → end July
  • Sea trout3rd Saturday in March → 30 November