Lac Épau is a Lake located in Réservoir-Dozois; Vallée-de-l'Or, Quebec and has an elevation of 383 meters.

• Latitude: 47° 47' 37'' North   (decimal: 47.7936915)
• Longitude: 77° 1' 49'' West   (decimal: -77.0302606)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 383 meters
• Location: Réservoir-Dozois; Vallée-de-l'Or
• Atlas of Canada Locator Map: Lac Épau
• GPS Coordinate Locator Map: Lac Épau Lat/Long