Lac Austin is a Lake located in Rapides-des-Joachims; Pontiac, Quebec and has an elevation of 367 meters.

• Latitude: 46° 16' 20'' North   (decimal: 46.2722833)
• Longitude: 77° 47' 56'' West   (decimal: -77.7989214)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 367 meters
• Location: Rapides-des-Joachims; Pontiac
• Atlas of Canada Locator Map: Lac Austin
• GPS Coordinate Locator Map: Lac Austin Lat/Long