CANTAT-3

Active

Submarine cable system, ready for service 1994 }}.

Key facts

Status
Active
Ready for service
1994 }}
Design capacity
2.5 Gigabit/Second
Owner
Føroya Tele
Connects
Denmark,Faroe Islands,Germany

Landing points

Overview

CANTAT-3 is a transatlantic submarine cable system that entered service in 1994, connecting North America to Northern Europe via a northern routing through Iceland and the Faroe Islands. Owned and operated by Føroya Tele, the Faroese national telecommunications carrier, it represents one of the few major cable systems where a small island territory holds outright ownership of a transatlantic route.

Route and Landing Points

The system spans a chain of landing points that trace the North Atlantic stepping-stone geography from Canada to continental Europe. The original Canadian landing at Pennant Point, Nova Scotia, ceased operations in 2010. The Icelandic landing at Vestmannaeyjar has since been turned off, leaving the system's active footprint concentrated on its European segments. Functioning landings include Tjørnuvík in the Faroe Islands, Blaabjerg in Denmark, Sylt in Germany, and the Valdemar Oil Platforms in the North Sea — the last of these an unusual industrial landing point that underscores the cable's role in serving offshore energy infrastructure as well as national telecoms networks. The Redcar landing in North Yorkshire has also been decommissioned.

Capacity and Technical Profile

CANTAT-3 was designed to carry 2.5 Gigabits per second — a figure that reflects the engineering standards of the early 1990s. By contemporary measures that capacity is modest, but the system's longevity speaks to the durability of the physical plant and its continued utility on routes where traffic volumes may not justify replacement investment.

Significance

The northern transatlantic routing via the Faroe Islands and Iceland carries a strategic logic that goes beyond raw bandwidth. For the Faroe Islands in particular, CANTAT-3 provides a direct international connectivity lifeline managed by the territory's own operator rather than routed through a larger national carrier. As segments have been retired over the decades, the remaining active landings sustain regional connectivity across the North Sea and keep the Faroes linked to the broader European cable network.