Lac Grain de Seigle is a Lake located in Lac-Oscar; Antoine-Labelle, Quebec.

• Latitude: 46° 54' 46'' North   (decimal: 46.9128329)
• Longitude: 74° 52' 24'' West   (decimal: -74.8732305)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Oscar; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Grain de Seigle
• GPS Coordinate Locator Map: Lac Grain de Seigle Lat/Long