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Рака Дзісна.jpg
The Dysna in Belarus, near Dzisna town
Country Lithuania, Belarus
Physical characteristics
Main source Ignalina district municipality
River mouth Daugava
Length 176 km (109 mi)
  • Average rate:
    3.59 m3/s (127 cu ft/s)
Basin features
Basin size 8,193 km2 (3,163 sq mi)

The Dysna (Belarusian: Дзісна Dzisna; Russian: Дисна Disna) is a river that flows through Lithuania and Belarus into the Daugava River near the town of Dzisna.

The river originates from Lake Parsvėtas, near Dūkštas, Ignalina district municipality. It flows through Lake Dysnai and Lake Dysnykštis. Near Kačergiškės it turns east and for 39 km flows on the Lithuanian-Belarusian border. The length in Lithuania is 17 km. One of the lakes in the basin area is the Lake Drūkšiai that supports Ignalina Nuclear Power Plant.

Its largest tributaries are Birvėta, Golbica, Janka, Berezovka, Mnuta.


  • "Dauguvos baseinas" (in Lithuanian). Environmental Protection Agency at the Ministry of Environment of the Republic of Lithuania. 2003-04-07. 

Coordinates: 55°33′54″N 28°13′42″E / 55.565°N 28.2283°E / 55.565; 28.2283