Lac Cauchy is a Lake located in Petit-Mécatina; Minganie, Quebec and has an elevation of 63 meters.

• Latitude: 50° 36' 54'' North   (decimal: 50.6150640)
• Longitude: 60° 46' 35'' West   (decimal: -60.7764382)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 63 meters
• Location: Petit-Mécatina; Minganie
• Atlas of Canada Locator Map: Lac Cauchy
• GPS Coordinate Locator Map: Lac Cauchy Lat/Long