He is an experienced surfer and finds it more difficult to surf in the river than in the sea.

- You should not go to a place like this directly.

Especially not where there is so much water.

There can be debris floating and the dangerous moment is when you go into land where there is a lot of vegetation, he says.

Simon Berglund.

Photo: Private

In the clip, you can see him surfing on an endless wave in the river.