Lac à Armstrong is a Lake located in Clarendon; Pontiac, Quebec and has an elevation of 84 meters.

• Latitude: 45° 33' 45'' North   (decimal: 45.5625)
• Longitude: 76° 36' 5'' West   (decimal: -76.6013889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 84 meters
• Location: Clarendon; Pontiac
• Atlas of Canada Locator Map: Lac à Armstrong
• GPS Coordinate Locator Map: Lac à Armstrong Lat/Long