C-Lion1
| C-Lion1 | |
|---|---|
| Owners: Cinia Oy | |
| Landing points | |
| Total length | 1,173 kilometres (729 mi) |
| Design capacity | 120 Tbit/s |
| Currently lit capacity | 144 Tbit/s |
C-Lion1 is a submarine communications cable between Finland and Germany. The cable is owned and operated by the Finnish telecommunications and IT services company Cinia Oy. It is the first direct communications cable between Finland and Central Europe; previous connections have been through Sweden and Denmark.
The cable was damaged in November 2024, taking the cable offline between November 18 and November 28. Some officials suspect the damaging was an act of sabotage. The connection was offline again between December 25, 2024 and January 6, 2025 in connection with the 2024 Estlink 2 incident.
The cable is 1,173 kilometres (729 mi) long and has eight fiber pairs with a design capacity of 120 Tbit/s and a maximum capacity of 144 Tbit/s.