Prairie à Mathias is a Lake located in Petite-Vallée; La Côte-de-Gaspé, Quebec and has an elevation of 300 meters.

• Latitude: 49° 10' 22'' North   (decimal: 49.1728298)
• Longitude: 64° 58' 27'' West   (decimal: -64.9740690)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Elevation: 300 meters
• Location: Petite-Vallée; La Côte-de-Gaspé
• Atlas of Canada Locator Map: Prairie à Mathias
• GPS Coordinate Locator Map: Prairie à Mathias Lat/Long