Lac Alliat is a Lake located in Lac-Blanc; Portneuf, Quebec and has an elevation of 611 meters.

• Latitude: 47° 16' 16'' North   (decimal: 47.2711111)
• Longitude: 71° 51' 44'' West   (decimal: -71.8622222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 611 meters
• Location: Lac-Blanc; Portneuf
• Atlas of Canada Locator Map: Lac Alliat
• GPS Coordinate Locator Map: Lac Alliat Lat/Long