Did you know ...

  • The Tisza is the largest tributary of the Danube.

  • The Upper Danube is interrupted by dams or weirs every 16 km on average.

  • Over 700 dams and weirs have been built along the Danube and its main tributaries.

  • More than 80% of the length of the Danube has been regulated.

  • The Lower Danube Green Corridor Agreement was and still is the most ambitious wetland protection and restoration initiative in Europe.

  • 5,000 animal species live along the Danube.

  • 100 fish species live in the Danube.

  • There is more life in one acre of a healthy wetland than there is in one acre of almost any other kind of habitat.

  • The Danube Delta is the second largest river delta in Europe, after the Volga.

  • Water purification through nutrient retention of Danube floodplains is worth an estimated €369 million per year.