Lac Sénéchal is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 296 meters.

• Latitude: 49° 4' 4'' North   (decimal: 49.0677778)
• Longitude: 72° 52' 0'' West   (decimal: -72.8666667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 296 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Sénéchal
• GPS Coordinate Locator Map: Lac Sénéchal Lat/Long