The C-Lion1 submarine cable is a fiber optic cable that spans approximately 1,200 kilometers from Germany to Finland. It was completed in December 2016 and is owned by Cinia Group, a Finnish telecommunications company. The cable provides high-speed internet connectivity between the two countries and is capable of transferring data at a capacity of 144 terabits per second. The C-Lion1 submarine cable is considered to be an important piece of infrastructure for the rapidly growing digital economy in the Nordic and Baltic regions.