Lac à Anna is a Lake located in Les Îles-de-la-Madeleine; Les Îles-de-la-Madeleine, Quebec.

• Latitude: 47° 23' 24'' North   (decimal: 47.3900682)
• Longitude: 61° 55' 59'' West   (decimal: -61.9331733)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Les Îles-de-la-Madeleine; Les Îles-de-la-Madeleine
• Atlas of Canada Locator Map: Lac à Anna
• GPS Coordinate Locator Map: Lac à Anna Lat/Long