Fosse du 23e Mille is a River feature located in Ruisseau-Ferguson; Avignon, Quebec.

• Latitude: 48° 0' 55'' North   (decimal: 48.0153271)
• Longitude: 67° 35' 31'' West   (decimal: -67.5919392)
• Topography Feature Category: River feature
• Geographical Feature: Fosse à saumon
• Canadian Province/Territory: Quebec
• Location: Ruisseau-Ferguson; Avignon
• Atlas of Canada Locator Map: Fosse du 23e Mille
• GPS Coordinate Locator Map: Fosse du 23e Mille Lat/Long