Lac Parnasse is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec.

• Latitude: 48° 48' 21'' North   (decimal: 48.8058633)
• Longitude: 69° 19' 9'' West   (decimal: -69.3192201)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Parnasse
• GPS Coordinate Locator Map: Lac Parnasse Lat/Long