Étang Zéphir is a Lake located in Lac-des-Eaux-Mortes; La Mitis, Quebec.

• Latitude: 48° 2' 19'' North   (decimal: 48.0386598)
• Longitude: 67° 41' 28'' West   (decimal: -67.6911094)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Location: Lac-des-Eaux-Mortes; La Mitis
• Atlas of Canada Locator Map: Étang Zéphir
• GPS Coordinate Locator Map: Étang Zéphir Lat/Long