Lac Alta is a Lake located in Rivière-Nipissis; Sept-Rivières, Quebec.

• Latitude: 52° 6' 17'' North   (decimal: 52.1047754)
• Longitude: 65° 42' 23'' West   (decimal: -65.7062865)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Nipissis; Sept-Rivières
• Atlas of Canada Locator Map: Lac Alta
• GPS Coordinate Locator Map: Lac Alta Lat/Long