High Quality Content by WIKIPEDIA articles! Saguenay County, Quebec is an historical county in Quebec. It generally consisted of all of Quebec east of Tadoussac and north of the Saint Lawrence River. The county seat was also Tadoussac. Today, the county is found in the Regional County Municipalities of La Haute-Côte-Nord, Manicouagan, Sept-Rivières, Minganie and Basse-Côte-Nord. The term regional county municipality or RCM (French: municipalité régionale de comté, MRC) is used in the Canadian province of Quebec to designate one of 86 county-like political and geographic units. In most cases, they are also census divisions. Regional County Municipalities are a supralocal type of "Regional Municipality" and are still commonly referred to as counties.