Lac Ewart is a Lake located in Lac-Marguerite; Antoine-Labelle, Quebec and has an elevation of 242 meters.

• Latitude: 46° 56' 6'' North   (decimal: 46.935)
• Longitude: 75° 52' 1'' West   (decimal: -75.8669444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 242 meters
• Location: Lac-Marguerite; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Ewart
• GPS Coordinate Locator Map: Lac Ewart Lat/Long