Lac Inattendu is a Lake located in Rivière-Rouge; Antoine-Labelle, Quebec and has an elevation of 277 meters.

• Latitude: 46° 20' 55'' North   (decimal: 46.3486557)
• Longitude: 74° 43' 56'' West   (decimal: -74.7321244)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 277 meters
• Location: Rivière-Rouge; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Inattendu
• GPS Coordinate Locator Map: Lac Inattendu Lat/Long