Lac Slim is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 307 meters.

• Latitude: 46° 24' 21'' North   (decimal: 46.4058922)
• Longitude: 77° 25' 12'' West   (decimal: -77.4200171)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 307 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Slim
• GPS Coordinate Locator Map: Lac Slim Lat/Long