Lac Bétaux is a Lake located in Petit-Mécatina; Minganie, Quebec and has an elevation of 350 meters.

• Latitude: 51° 55' 50'' North   (decimal: 51.9306329)
• Longitude: 59° 56' 29'' West   (decimal: -59.9413551)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 350 meters
• Location: Petit-Mécatina; Minganie
• Atlas of Canada Locator Map: Lac Bétaux
• GPS Coordinate Locator Map: Lac Bétaux Lat/Long