Lac Weepniam is a Lake located in Rivière-Koksoak; Kativik, Quebec.

• Latitude: 58° 10' 1'' North   (decimal: 58.1668353)
• Longitude: 69° 24' 16'' West   (decimal: -69.4045695)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Weepniam
• GPS Coordinate Locator Map: Lac Weepniam Lat/Long