Harbledown Island, BC, Canada

Harbledown Island, BC, Canada: Submarine Cable Landing Point

Harbledown Island is an island in the Central Coast region of British Columbia, Canada, situated at the western end of Johnstone Strait near the eastern edge of the Queen Charlotte Strait region. Despite its relatively remote coastal position, surrounded by neighboring islands including Hanson Island to the west and West Cracroft Island to the south, Harbledown Island serves as a submarine cable landing point within Canada's broader coastal connectivity network. One submarine cable lands here, linking the island to other points along the Canadian coast.

The single cable serving Harbledown Island is the Connected Coast system, a domestic cable that connects multiple Canadian landing points without extending to any other country. This places Harbledown Island within an intra-Canadian connectivity corridor, supporting regional rather than intercontinental communications along British Columbia's coastal communities.

Cables Landing at Harbledown Island, BC, Canada

The Connected Coast cable, with a scheduled ready-for-service year of 2024 (draft status), is the sole submarine cable landing at Harbledown Island. All other endpoints on this cable are located within Canada, making it a purely domestic system. No cable length or additional technical specifications are recorded for this landing point.

Regional Context

Within Canada's submarine cable landscape, which spans 21 cables across 155 landing points, Harbledown Island hosts a single cable, placing it among the country's smaller landing points. It shares this single-cable status with nearby Addenbroke Island, BC, while other British Columbia locations such as Prince Rupert and Vancouver each host two cables. Harbledown Island ranks within the top 97% of Canadian landing points by cable count, reflecting its role as a community-scale rather than gateway-scale node in the national network.

Network Role

Harbledown Island functions as a single-cable terminus on the Connected Coast system, a domestic submarine cable designed to serve coastal British Columbia communities. Its role is regional in scope, contributing to intra-Canadian coastal connectivity rather than facilitating international traffic. The Connected Coast cable's reach across multiple Canadian landing points means that Harbledown Island, while modest in terms of cable count, participates in a network specifically oriented toward extending connectivity to island and coastal communities that are difficult to serve through terrestrial infrastructure.

In the broader Canadian submarine cable graph, Harbledown Island represents the pattern of small but geographically significant landing points that extend domestic cable reach into British Columbia's intricate coastal island geography.