 A second line paralleled the Métro-Ouchy from Gare CFF to Flon stations, using its own separate to one side of a double-track tunnel.This service was known as “Metro – Gare”.The line between Ouchy and Flon is 1482 m. in length, and rises 106 m. at a maximum gradient of 11.6% ( 1 in 8.66 ).