Lac à Wellie is a Lake located in Sainte-Anne-des-Monts; La Haute-Gaspésie, Quebec.

• Latitude: 49° 10' 7'' North   (decimal: 49.1686554)
• Longitude: 66° 19' 29'' West   (decimal: -66.3246770)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Sainte-Anne-des-Monts; La Haute-Gaspésie
• Atlas of Canada Locator Map: Lac à Wellie
• GPS Coordinate Locator Map: Lac à Wellie Lat/Long