Lac des Ayrshires is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec.

• Latitude: 49° 38' 10'' North   (decimal: 49.6361699)
• Longitude: 72° 7' 3'' West   (decimal: -72.1175668)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac des Ayrshires
• GPS Coordinate Locator Map: Lac des Ayrshires Lat/Long