Lac Gauthier is a Lake located in Saint-Ulric; Matane, Quebec.

• Latitude: 48° 43' 50'' North   (decimal: 48.7305983)
• Longitude: 67° 38' 48'' West   (decimal: -67.6466669)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Ulric; Matane
• Atlas of Canada Locator Map: Lac Gauthier
• GPS Coordinate Locator Map: Lac Gauthier Lat/Long