Lac Mastigou is a Lake located in Baie-de-la-Bouteille; Matawinie, Quebec and has an elevation of 428 meters.

• Latitude: 46° 34' 31'' North   (decimal: 46.5753135)
• Longitude: 73° 34' 24'' West   (decimal: -73.5734709)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 428 meters
• Location: Baie-de-la-Bouteille; Matawinie
• Atlas of Canada Locator Map: Lac Mastigou
• GPS Coordinate Locator Map: Lac Mastigou Lat/Long