Lac Tanapi is a Lake located in Côte-Nord-du-Golfe-du-Saint-Laurent; Basse-Côte-Nord, Quebec and has an elevation of 143 meters.

• Latitude: 51° 34' 46'' North   (decimal: 51.5794965)
• Longitude: 57° 26' 44'' West   (decimal: -57.4454568)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 143 meters
• Location: Côte-Nord-du-Golfe-du-Saint-Laurent; Basse-Côte-Nord
• Atlas of Canada Locator Map: Lac Tanapi
• GPS Coordinate Locator Map: Lac Tanapi Lat/Long