Rivière à Marc is a River located in Desbiens; Lac-Saint-Jean-Est, Quebec.

• Latitude: 48° 24' 57'' North   (decimal: 48.4158333)
• Longitude: 71° 57' 31'' West   (decimal: -71.9586111)
• Topography Feature Category: River
• Geographical Feature: Rivière
• Canadian Province/Territory: Quebec
• Location: Desbiens; Lac-Saint-Jean-Est
• GPS Coordinate Locator Map: Rivière à Marc Lat/Long