Lac Washao is a Lake located in Longue-Pointe-de-Mingan; Minganie, Quebec and has an elevation of 124 meters.

• Latitude: 50° 26' 5'' North   (decimal: 50.4347222)
• Longitude: 63° 59' 53'' West   (decimal: -63.9980556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 124 meters
• Location: Longue-Pointe-de-Mingan; Minganie
• Atlas of Canada Locator Map: Lac Washao
• GPS Coordinate Locator Map: Lac Washao Lat/Long