Skalvik, Sweden

How the Internet Reaches Skalvik, Sweden

Skalvik is a landing point on the Swedish coast, connected to the broader international internet through a single submarine cable crossing the Kattegat strait toward Denmark. Sweden is a Scandinavian nation in northern Europe, and Skalvik sits within a national submarine cable network that spans 20 landing points along the Swedish coastline. International internet traffic arriving at Skalvik does so exclusively through one cable terminus, making this a single-cable endpoint rather than a node along a larger multi-cable corridor.

All cross-border connectivity at Skalvik flows through the Kattegat 2 cable, which bridges Sweden and Denmark across the narrow body of water separating the two countries. From Skalvik, traffic reaches the Danish shore at multiple points before onward routing through Denmark's own network infrastructure and the wider European internet.

The Cable Serving Skalvik

The Kattegat 2 cable is a 75-kilometre submarine link that entered service in 2001, connecting Skalvik, Sweden to three landing points in Denmark: Lyngsa, Osterby, and Vestero. The cable spans the Kattegat strait, the sea passage between Sweden and Denmark, providing a short but direct route for internet traffic between the two countries. At 75 kilometres, it is well below the Swedish national average cable length of 335 kilometres, reflecting the relatively modest distance across the strait at this crossing point.

Regional Context

Sweden hosts 17 submarine cables across 20 landing points, with the earliest cable in service dating to 1994. Skalvik, served by a single cable, is among the smaller terminuses in the national picture. Nearby landing points carry more infrastructure: Farosund hosts three submarine cables, while Klagshamn, Stavsnas, and Stockholm each land two cables. Skalvik's single-cable profile places it in the same tier as Borbby Strandbad, another Swedish landing point served by just one cable.

What This Means for Connectivity

With only the Kattegat 2 cable serving Skalvik, all international internet traffic from this location flows through that single link to Denmark. There is no redundant submarine path at the Skalvik terminus itself; an outage on the Kattegat 2 cable would sever the direct submarine connection between Skalvik and its Danish endpoints at Lyngsa, Osterby, and Vestero. The reachable destinations via this cable are those within Denmark and, from there, onward through Denmark's broader network connections.

Understanding Skalvik's single-cable status illustrates how Sweden's submarine infrastructure, though nationally diverse with 17 cables and 20 landing points, distributes that capacity unevenly — with some points serving as well-connected nodes and others, like Skalvik, functioning as straightforward bilateral links to a single neighbouring country.