Sisimiut, Greenland

Sisimiut, Greenland: Submarine Cable Landing Point

Sisimiut is located on the central-western coast of Greenland, facing the Davis Strait, and is the second-largest city in the country. As a coastal settlement, it serves as a landing point for submarine cable infrastructure connecting communities along Greenland's western seaboard. One submarine cable lands at Sisimiut, linking it into the domestic submarine cable network that runs along the island's coastline.

The single cable landing at Sisimiut is the Greenland Connect North system. With all of its endpoints within Greenland, this cable forms part of a regional corridor that connects Greenlandic communities to one another via subsea links rather than overland routes, which are largely absent across the country's rugged terrain. This makes the landing point a node in an intra-island submarine cable network.

Cables Landing at Sisimiut

Greenland Connect North is a 680-kilometre submarine cable that reached ready-for-service status in 2017 on a draft basis. All other endpoints of this cable are also located within Greenland, making it a domestic system designed to interconnect Greenlandic landing points along the western coast. At 680 kilometres, it is considerably shorter than the average cable length of approximately 1,980 kilometres across Greenland's submarine cable infrastructure as a whole, reflecting its role as a shorter inter-community link rather than a long-haul international route.

Regional Context

Within Greenland, submarine cable connectivity is distributed across five landing points. Nuuk, the capital, hosts two cables, while Sisimiut shares a comparable position with Aasiaat, Maniitsoq, and Qaqortoq, each of which also has one cable landing. Sisimiut ranks within the top 80 percent of Greenlandic landing points by cable count, placing it among the majority of the country's cable-connected communities.

Network Role

Sisimiut functions as a single-cable terminus on the Greenland Connect North system, connecting it to other Greenlandic communities through a subsea route that spans 680 kilometres of the Davis Strait coastline. The entirely domestic character of this cable means that Sisimiut's connectivity is oriented inward, supporting links between Greenlandic settlements rather than providing international or intercontinental reach.

Within the broader Greenlandic submarine cable graph, Sisimiut represents one of several western coastal nodes that together form a network of intra-island connections. Its presence as a landing point ensures that the city participates in the same subsea infrastructure tier shared by communities such as Aasiaat, Maniitsoq, and Qaqortoq, each contributing a single node to Greenland's limited but geographically distributed cable footprint.