Lac Bourassa is a Lake located in Saint-Étienne-des-Grès; Maskinongé, Quebec.

• Latitude: 46° 25' 9'' North   (decimal: 46.4191937)
• Longitude: 72° 48' 26'' West   (decimal: -72.8073435)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Étienne-des-Grès; Maskinongé
• Atlas of Canada Locator Map: Lac Bourassa
• GPS Coordinate Locator Map: Lac Bourassa Lat/Long