Lac Barnhart is a Lake located in Rapides-des-Joachims; Pontiac, Quebec and has an elevation of 366 meters.

• Latitude: 46° 17' 56'' North   (decimal: 46.2989499)
• Longitude: 77° 47' 36'' West   (decimal: -77.7933655)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 366 meters
• Location: Rapides-des-Joachims; Pontiac
• Atlas of Canada Locator Map: Lac Barnhart
• GPS Coordinate Locator Map: Lac Barnhart Lat/Long