Seigneurie de Grosbois-Est is a Geographical area located in Yamachiche; Maskinongé, Quebec.

• Latitude: 46° 19' North   (decimal: 46.3166666)
• Longitude: 72° 49' West   (decimal: -72.8166667)
• Topography Feature Category: Geographical area
• Geographical Feature: Seigneurie
• Canadian Province/Territory: Quebec
• Location: Yamachiche; Maskinongé
• Atlas of Canada Locator Map: Seigneurie de Grosbois-Est
• GPS Coordinate Locator Map: Seigneurie de Grosbois-Est Lat/Long