Lac Tanguay is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 252 meters.

• Latitude: 50° 7' 21'' North   (decimal: 50.1225)
• Longitude: 79° 15' 11'' West   (decimal: -79.2530556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 252 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Tanguay
• GPS Coordinate Locator Map: Lac Tanguay Lat/Long