Lac Rioux is a Lake located in Sainte-Sophie; La Rivière-du-Nord, Quebec.

• Latitude: 45° 49' 33'' North   (decimal: 45.8258732)
• Longitude: 73° 57' 59'' West   (decimal: -73.9662647)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Sainte-Sophie; La Rivière-du-Nord
• Atlas of Canada Locator Map: Lac Rioux
• GPS Coordinate Locator Map: Lac Rioux Lat/Long