Lac Alpin is a Lake located in La Martre; La Haute-Gaspésie, Quebec.

• Latitude: 49° 5' 27'' North   (decimal: 49.0908783)
• Longitude: 66° 7' 26'' West   (decimal: -66.1238376)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: La Martre; La Haute-Gaspésie
• Atlas of Canada Locator Map: Lac Alpin
• GPS Coordinate Locator Map: Lac Alpin Lat/Long