Lac Y is a Lake located in Longue-Rive; La Haute-Côte-Nord, Quebec.

• Latitude: 48° 33' 50'' North   (decimal: 48.5639162)
• Longitude: 69° 26' 15'' West   (decimal: -69.4375553)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Longue-Rive; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Y
• GPS Coordinate Locator Map: Lac Y Lat/Long