Freestone · Granite · Southern Finland / Kymenlaakso

Kymijoki

Kymijoki venue image
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Southern Finland's main salmon river flowing into the Gulf of Finland.

Species

Closed season

Season reopens 1 June. File this water for the right month.

Closed — confidence not applicable today.
Water temperature for atlantic salmon
Cool — slow
8°C est.ideal 10–14°C
0°14°28°
Why this score · for atlantic salmon
  • Temperature4830% weight
  • Flow4525% weight
  • Clarity9520% weight
  • Feeding Time1015% weight
  • Pressure8510% weight
Conditions
Level
Dry recently
No gauge reading
Water temp
7.7°C
Estimated
Clarity
Clear
Air temp
10°C
Wind
SW 7 km/h
Light breeze
Pressure
1008 hPa
Rain · 48h
0.2 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.
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
Grayling seasonSeason
2
2
1
1
2
2
2
2
2
2
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.

Gallery · 1
  1. Terrain map of the venue
    Terrain map
Permits & access
Permit required — see local rules.
  • Kalastonhoitomaksu plus local rapid- or beat-specific permit required
  • Kymijoki is a managed anadromous system, so current access rules, catch regulations and restoration-related restrictions should be checked before fishing.
Directions
Apple MapsGoogle Maps
About this water

Southern Finland's main salmon river flowing into the Gulf of Finland. Sea trout, salmon, and brown trout in a dam-regulated system that remains productive despite WFD 'Moderate' ecology status reflecting hydropower impacts. The most accessible salmon water from Helsinki. The historic Langinkoski rapids were favoured by Tsar Alexander III — good water yet. Fish passage restoration ongoing. A working river, not pristine wilderness, but reliable.

  • Granite
Seasons & zones
  • Salmon1 June → 31 August
  • TroutOpens June–September
  • Grayling1 June → 31 March

Sea trout: Variable seasonal (2026) — The Kymijoki drains into the Gulf of Finland and carries both Atlantic salmon and Baltic sea trout runs. Baltic sea trout stocks are managed through adipose-fin clipping (wild fish released; hatchery fish retained). The river is dam-regulated which limits migration windows. Sea trout runs are condition-dependent — legal but sensitive.

Booking & contacts