Lac Waminanchi is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 197 meters.

• Latitude: 54° 5' 39'' North   (decimal: 54.0941667)
• Longitude: 76° 35' 17'' West   (decimal: -76.5880556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 197 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Waminanchi
• GPS Coordinate Locator Map: Lac Waminanchi Lat/Long