Lac Anna is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 353 meters.

• Latitude: 46° 25' 53'' North   (decimal: 46.4314479)
• Longitude: 77° 32' 14'' West   (decimal: -77.5372435)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 353 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Anna
• GPS Coordinate Locator Map: Lac Anna Lat/Long