Lac Wacco is a Lake located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec.

• Latitude: 46° 56' 25'' North   (decimal: 46.9402778)
• Longitude: 76° 16' 37'' West   (decimal: -76.2769444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• GPS Coordinate Locator Map: Lac Wacco Lat/Long