Côte-Nord is an administrative region of Quebec, on the Quebec-Labrador Peninsula, Canada. The region runs along the St. Lawrence River an…Côte-Nord is an administrative region of Quebec, on the Quebec-Labrador Peninsula, Canada. The region runs along the St. Lawrence River and then the Gulf of St. Lawrence, from Tadoussac to the limits of Labrador, leaning against the Saguenay–Lac-Saint-Jean to the west, the Côte-Nord penetrates deep into Northern Quebec.