Le Vieux Quai is a Marine navigation feature located in Saint-Henri-de-Taillon; Lac-Saint-Jean-Est, Quebec.

• Latitude: 48° 37' 25'' North   (decimal: 48.6236111)
• Longitude: 71° 47' 54'' West   (decimal: -71.7983333)
• Topography Feature Category: Marine navigation feature
• Geographical Feature: Quai
• Canadian Province/Territory: Quebec
• Location: Saint-Henri-de-Taillon; Lac-Saint-Jean-Est
• Atlas of Canada Locator Map: Le Vieux Quai
• GPS Coordinate Locator Map: Le Vieux Quai Lat/Long