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HomeLocationsGuernsey › L'Ancresse Bay, Guernsey

L'Ancresse Bay, Guernsey

Landing Point · GG Guernsey

2 Connected Cables 49.5034°N 2.5335°W Guernsey
2
Connected Cables
GG
Country
49.50°
Latitude
2.53°
Longitude
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Connected Cables

Cable Length RFS Status
Channel Islands-9 Liberty Submarine Cable -1 km 2008 Active
UK-Channel Islands-7 124 km 1994 Active

📡 Live Performance

27
measurements
11
probes
83
days monitored
95.1
ms avg RTT
0
anomalies

RTT measurements to this landing point from 2026-03-28 through 2026-06-20 - live ICMP round-trip time via RIPE Atlas probes. Recomputed daily. ✓ No anomalies detected in the monitored period.

Measurement sources

Probe Location Samples Avg Min-Max Last seen
#1014473 own probe Minsk BY 6 50.5 ms 48.7-56.2 2026-06-20
#6487 own probe Singapore SG 3 170.0 ms 166.9-175.5 2026-06-20
#1014589 own probe Almaty KZ 3 123.6 ms 118.1-127.4 2026-05-05
#1015932 own probe Odessa UA 3 65.8 ms 64.3-68.0 2026-06-20
#6427 own probe Sydney AU 2 265.0 ms 262.5-267.6 2026-06-20
#1008530 RIPE Atlas 2 26.4 ms 25.8-27.0 2026-03-28
#1014597 own probe Tbilisi GE 2 66.1 ms 65.9-66.3 2026-04-30
#1014969 own probe Jerusalem IL 2 74.5 ms 74.2-74.7 2026-04-30
#1015313 own probe Sevastopol UA 2 102.3 ms 101.0-103.6 2026-04-30
#1015523 own probe Moscow RU 1 60.3 ms 60.3-60.3 2026-04-30
#1016031 own probe Kyiv UA 1 57.9 ms 57.9-57.9 2026-06-20

About L'Ancresse Bay, Guernsey

L'Ancresse Bay, Guernsey: Submarine Cable Landing Point

L'Ancresse Bay is a submarine cable landing point located on the island of Guernsey, a British Crown dependency situated in the English Channel. Two submarine cables make landfall here, connecting Guernsey to the United Kingdom and forming part of the island's international telecommunications infrastructure. The cables landing at L'Ancresse Bay operate within a regional corridor linking Guernsey to its nearest major neighbour, the United Kingdom, a short-haul route that supports the island's connectivity across the Channel.

Among the cables landing at L'Ancresse Bay, UK-Channel Islands-7 and the Channel Islands-9 Liberty Submarine Cable together represent a layered approach to maintaining connectivity between Guernsey and the UK. The presence of two separate systems at this bay reflects the importance of redundancy on what is a geographically compact but operationally significant route. Both cables serve the same country pair — Guernsey and the United Kingdom — making L'Ancresse Bay a focused, bilateral landing point rather than a multi-corridor hub.

Cables Landing at L'Ancresse Bay, Guernsey

UK-Channel Islands-7 is a submarine cable measuring 124 kilometres in length, with a Ready for Service (RFS) date of 1994. It connects Guernsey to the United Kingdom, representing one of the earlier submarine cable links established between the Channel Islands and the British mainland. Its current status is listed as draft.

Channel Islands-9 Liberty Submarine Cable reached its Ready for Service date in 2008, providing a more recent connection between Guernsey and the United Kingdom. No length is recorded for this system. Like UK-Channel Islands-7, its status is listed as draft, and it serves the same bilateral corridor between Guernsey and the UK.

Regional Context

Guernsey's submarine cable infrastructure spans three landing points, with a total of four cables distributed across them. L'Ancresse Bay hosts two of those four cables, placing it alongside Saints Bay — which also hosts two cables — as one of the two most active landing points on the island. Pembroke, Guernsey, hosts a single cable, making L'Ancresse Bay and Saints Bay the primary submarine cable landing sites for the island.

Network Role

L'Ancresse Bay functions as a dual-cable terminus on the Guernsey–United Kingdom corridor. With both UK-Channel Islands-7 and the Channel Islands-9 Liberty Submarine Cable landing here, the bay provides a degree of cable-level redundancy for traffic moving between Guernsey and the UK. Neither cable extends beyond this country pair, so L'Ancresse Bay serves a focused bilateral role rather than acting as a transit point between multiple international destinations.

Within Guernsey's overall submarine cable graph, L'Ancresse Bay accounts for half of the island's total cable capacity across its three landing points. Its position alongside Saints Bay as a two-cable landing site means that the distribution of Guernsey's international connectivity is shared between these two locations, reducing dependence on any single point of entry to the island's external telecommunications network.

Other Landing Points in Guernsey

Landing Point

  • CountryGG Guernsey
  • Coordinates49.5034°N 2.5335°W
  • Connected Cables2

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