For centuries, people needed to climb down one treacherous side to climb up the other. In 1893, a wooden bridge was built over this gorge. it is 48 meters long and 100 meters high.
Though there are many mountain lakes at higher altitudes, Lake Sils is the only one with daily scheduled passenger boats in summer that carry tourists and hikers from Sils Maria to Maloja via Chastè, Plaun da Lej and Isola. This is Europe's highest passenger boat service.