Lac Quiache is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 507 meters.

• Latitude: 49° 15' 18'' North   (decimal: 49.2550396)
• Longitude: 69° 48' 8'' West   (decimal: -69.8023013)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 507 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Quiache
• GPS Coordinate Locator Map: Lac Quiache Lat/Long