Tadoussac is a village municipality in La Haute-Côte-Nord RCM, on the north shore of the maritime section of the estuary of St. Lawrence river, in Côte-Nord region, Quebec, Canada. Tadoussac is located in a bay on the north shore of the lower estuary of the St. Lawrence River, at the mouth of the Saguenay River fjord. Tadoussac offers a backdrop of mountains…Tadoussac is a village municipality in La Haute-Côte-Nord RCM, on the north shore of the maritime section of the estuary of St. Lawrence river, in Côte-Nord region, Quebec, Canada. Tadoussac is located in a bay on the north shore of the lower estuary of the St. Lawrence River, at the mouth of the Saguenay River fjord. Tadoussac offers a backdrop of mountains, water, rock and greenery. The village municipality is a point of convergence between the Côte-Nord, Saguenay-Lac-Saint-Jean and Charlevoix.