Lac Ashiniu is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 490 meters.

• Latitude: 49° 50' 11'' North   (decimal: 49.8363889)
• Longitude: 72° 21' 50'' West   (decimal: -72.3638889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 490 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Ashiniu
• GPS Coordinate Locator Map: Lac Ashiniu Lat/Long