TYR Bergviken Open Water is a contest over 5000 meter between Norrlandsporten and the island Kungsholmen,

Bergviken is a lake in the river Ljusnan between Söderhamn and Bollnäs

Bergviken is 17 km long,5 km wide and about 40 meters deep, so there are often rough seas.
 
The will be a challenging race in a nice Swedish countryside environment.
 
Kungsholmen is an old homestead for raftsman
where the former country-skiers
Marie-Helen "Billan (Westin)" and
Erik Ostlund now runs a
restaurant-conference center.
  
On Kungsholmen are 52 beds for those who want to stayover night