Ruisseau Duguay-Thériault is a River located in Pierreville; Nicolet-Yamaska, Quebec.

• Latitude: 46° 7' 2'' North   (decimal: 46.1172510)
• Longitude: 72° 49' 4'' West   (decimal: -72.8178985)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Location: Pierreville; Nicolet-Yamaska
• Atlas of Canada Locator Map: Ruisseau Duguay-Thériault
• GPS Coordinate Locator Map: Ruisseau Duguay-Thériault Lat/Long