Iddefjorden

Iddefjord runs between Swedish and Norwegian territories, stretching from Singlefjord toward the Berby valley with steep rock walls rising on either side. The waterway narrows in places and follows a natural curve, with the national boundary running directly through its center.

The fjord served as a natural dividing line during periods of conflict between the two nations, prompting military fortifications to be built on its steep sides. Remnants of these defensive structures remain visible along the shores today.

Fishing communities on both sides have depended on these waters for generations, and their boats still move through the fjord following patterns established over centuries. The maritime way of life remains visible in the settlements and harbors along the shores.

Boats are the best way to explore these waters, as the border runs directly through the middle with Norway on one side and Sweden on the other. Small harbors and landing spots can be found along both shores for those traveling by water.

The outer section known as Ringdalsfjord transitions sharply into the inner fjord at a marked bend, creating two distinct waterway personalities along the same route. Visitors often notice how dramatically the character of the water and surrounding landscape shifts at this turning point.

Location: Strömstad Municipality

Location: Halden Municipality

GPS coordinates: 59.07361,11.38889

Latest update: December 12, 2025 12:00