Current conditions
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Measurement history
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Station details
TypePrivat, pålagt
OwnerÅ ENERGI VANNKRAFT AS
Elevation above sea level256 m
River systemMandalselva
Catchment area182.2 km²
RegulationUregulert
Coordinates58.4459°N, 7.5850°E
Active since14 October 1998
Latest data (NVE)26 October 2026
Historical records
Highest water level3.18 m5 November 2023
Highest discharge78.59 m³/s5 November 2023
Aquatic environment
Water bodyKosånå - Myklevatnet til Tveitevatnet bekkefelt
Ecological statusPoor
Chemical statusNot classified
🎣 Fishing
Fish speciesbrown trout, grayling, Arctic char, whitefish
☁️ Yr forecast
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Did you know …
- The station measures water level and discharge in Kosåna (river system: Mandalselva).
- The station's catchment covers 182 km² and reaches 740 metres above sea level at its highest point.
- The catchment is 64% forest, which dampens runoff and gives a steadier discharge than in open mountain rivers.
- The mean discharge here is 55.65 m³/s, based on 69 years of measurements.
- The ecological status of the water body is classified as Poor: significantly affected and in need of measures.
- Brown trout, grayling, Arctic char, whitefish and others have been recorded in this inland river system within about 5 km of the gauging station, based on Artskart data from Artsdatabanken.
- Near the station is the old settlement site Kniben.
What does Vannkart.no show?
Vannkart.no displays measurements from NVE’s national gauging network. Data comes from NVE HydAPI with historical percentiles (p25/p50/p75), showing how levels compare with the seasonal norm.
How to use the measurements
These data can help plan fishing, paddling and outdoor activities. When flooding is possible, always follow official warnings from varsom.no. Measurements may be delayed and should never be the sole basis for critical decisions.
Data sources: Hydrology: NVE HydAPI. Weather: Yr / met.no. Data may be delayed. Vannkart.no is not affiliated with NVE or the Norwegian Meteorological Institute.