- Ecology: Good
- Chemical: Unknown
- Free fishing
- Fly only
Hatch predictions
Today's headline hatch shown — see all 5 active hatches hour by hour with Pro.
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Hatch predictions
Top nymph shown — see all 3 guilds with Pro.
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Hatch predictions
Top prey shown — see all 2 with Pro.
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Backed by regional invertebrate surveys; no sampling on this exact reach yet.
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Älvkarleby is a hydro tailwater on the lower Dalälven, run as a managed, permit-led fishery rather than a wild walk-up river — Sweden's right to roam covers the banks but not the fishing. You buy a fiskekort for the operator-managed water (sectioned A/B/C with different species emphasis), and the retention rules are unusually strict: wild salmon and wild sea trout must be released, and only adipose-fin-clipped stocked fish may be kept, to a maximum of three salmonids per day with minimum sizes of 50 cm for salmon and 45 cm for sea trout. Method restrictions matter too — lead weights, live bait and braided/non-stretch lines are prohibited. Fishing is shaped by power-station flows, and the season splits into spring sea trout, summer salmon (June peak) and autumn sea trout. Confirm the current operator rules and stocking position before relying on retention.
The 2 beats
- 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.

Uppland, Sweden Terrain map
Why this score · for Atlantic Salmon
- Temperature3830% weight
- Flow6025% weight
- Clarity9520% weight
- Feeding Time2515% weight
- Pressure8510% weight
- Salmon late May → end July
- Sea trout 3rd Saturday in March → 30 November
Sea trout: Variable seasonal (2026)
Älvkarleby / lower Dalälven

Hatch predictions
Today's headline hatch shown — see all 5 active hatches hour by hour with Pro.
Start free trial14-day free trial. Cancel anytime.
Hatch predictions
Top nymph shown — see all 3 guilds with Pro.
Start free trial14-day free trial. Cancel anytime.
Hatch predictions
Top prey shown — see all 2 with Pro.
Start free trial14-day free trial. Cancel anytime.
Backed by regional invertebrate surveys; no sampling on this exact reach yet.
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Älvkarleby is a hydro tailwater on the lower Dalälven, run as a managed, permit-led fishery rather than a wild walk-up river — Sweden's right to roam covers the banks but not the fishing. You buy a fiskekort for the operator-managed water (sectioned A/B/C with different species emphasis), and the retention rules are unusually strict: wild salmon and wild sea trout must be released, and only adipose-fin-clipped stocked fish may be kept, to a maximum of three salmonids per day with minimum sizes of 50 cm for salmon and 45 cm for sea trout. Method restrictions matter too — lead weights, live bait and braided/non-stretch lines are prohibited. Fishing is shaped by power-station flows, and the season splits into spring sea trout, summer salmon (June peak) and autumn sea trout. Confirm the current operator rules and stocking position before relying on retention.
The 2 beats
- 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.

Uppland, Sweden Terrain map
- Ecology: Good
- Chemical: Unknown
Why this score · for Atlantic Salmon
- Temperature3830% weight
- Flow6025% weight
- Clarity9520% weight
- Feeding Time2515% weight
- Pressure8510% weight
- Salmon late May → end July
- Sea trout 3rd Saturday in March → 30 November
Sea trout: Variable seasonal (2026)