Lac Nemiscasioui is a Bay located in La Tuque; Le Haut-Saint-Maurice, Quebec.

• Latitude: 48° 47' 26'' North   (decimal: 48.7905556)
• Longitude: 74° 35' 22'' West   (decimal: -74.5894444)
• Topography Feature Category: Bay
• Geographical Feature: Baie
• Canadian Province/Territory: Quebec
• Location: La Tuque; Le Haut-Saint-Maurice
• GPS Coordinate Locator Map: Lac Nemiscasioui Lat/Long