Lac Vaseux is a Bay located in Saint-Eugène-de-Guigues; Témiscamingue, Quebec.

• Latitude: 47° 30' 57'' North   (decimal: 47.5159105)
• Longitude: 79° 18' 19'' West   (decimal: -79.3053805)
• Topography Feature Category: Bay
• Geographical Feature: Baie
• Canadian Province/Territory: Quebec
• Location: Saint-Eugène-de-Guigues; Témiscamingue
• Atlas of Canada Locator Map: Lac Vaseux
• GPS Coordinate Locator Map: Lac Vaseux Lat/Long