services. A second seaplane base, Chutes-des-Passes/Lac Margane Water Aerodrome was opened at Chute-des-Passes, now Passes-Dangereuses, in 1982. It was a
more direct Autoroute 40 between Montreal and Quebec City. It crosses the Saguenay River via a ferry which travels between Baie-Sainte-Catherine and Tadoussac;