Fishing rules

Youth annual pass Zone 1,2,4

Nyköpingsån

Applies to 1 permitLast updated June 25, 2026

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Fishing season

  • The card entitles you to fish in zones 1, 2, 3A, 3B and 4 during the period 15/9-14/10, provided that an exemption for an extended fishing season is obtained from the County Administrative Board in Södermanland.
  • Zone-specific rules apply.
  • All salmon and sea trout must be released and caught and reported (requirements from the County Administrative Board and important statistics to justify future exemption fishing).
  • Fishing ban applies from 02:00-05:00.

General rules

  • The fishing card must always be carried when fishing and must be shown to a fishing inspector or police upon request.
  • You must be able to prove your identity when checked.
  • Rules and instructions from a fishing inspector must be followed.
  • Fishermen who violate the regulations may be deprived of the right to fish and in the event of a serious offence may be reported for prosecution.
  • The fisherman is obliged to be up to date on any rule changes and updates regarding fishing. All information can be found here on iFiske.
  • It is prohibited to fish from bridges.
  • Directed fishing for smolt or concentrations of trout and salmon below minimum size is prohibited.
  • Hook fishing is not allowed.
  • Jerk fishing is prohibited.
  • Mishooked fish must be released immediately.
  • Crayfish fishing is not allowed.
  • Upstream casting is not allowed.
  • When fly fishing, the pole must be at least 1.5 m long.
  • Fishing with live bait fish is prohibited.
  • Fishing from a boat is prohibited in zones 2, 3A, 3B and 4.
  • Netting and other mass-catching gear, fixed or mobile, are prohibited.
  • There is a reporting requirement for all salmon and sea trout. Reporting is done here on iFiske. Failure to report a trout/salmon catch may result in your fishing license being revoked. Please report your other catches as well.

Zonal rules

Zones 2 and 4

In addition to general rules, the following rules apply

  • Fishing with two rods is permitted when float and bottom fishing (requires the presence of the fisherman), otherwise fishing with one rod from hand applies.

Zone 3A

In addition to general rules, the following rules apply

  • Only fly fishing is permitted.
  • For the zone, mobile fishing is applied to give everyone fishing time in available places. Upstream casting is not permitted.
  • Wading is only permitted two meters out from the shore at the prevailing water level.
  • Only single hooks are permitted.
  • During the period from Midsummer Eve and the end of the season, only fishing with float or intermediate lines is permitted. This is to reduce the risk of false hooking at low water levels.

Zone 3B

In addition to general rules, the following rules apply

  • Only fly or spin fishing is permitted.
  • For the zone, mobile fishing is applied to give everyone fishing time in available places. Upstream casting is not permitted.
  • Wading is only permitted two meters out from the shore at the prevailing water level.
  • Only single hooks are permitted.
  • Spinning flies, dropshot or other methods where the weight is separated from the bait are not permitted.

Catch and size restrictions

Size restriction

  • All salmon and sea trout must be released, therefore no minimum size is specified
  • Withdrawal window for pike perch and pike: 50–75 cm
  • Maximum size for perch: 35 cm
  • Fish under or over the minimum or maximum size must be released immediately

Catch restriction

  • A total of 10 fish may be kept with the exception of the species listed below
  • All salmon and sea trout must be released
  • Pike perch/pike: 1 per day
  • Perch: 5 per day

Rules of conduct

  • Respect other fishermen and people moving around the river.
  • Please do not walk in the established flower beds along the river.
  • Garbage, lines and other rubbish must not be left behind.
  • You can also take anything you can take with you to the river home. Additionally, there are plenty of trash cans available along the river.

These rules apply to