Le Gros Petchedetz is a River feature located in Rivière-Bonjour; Matane, Quebec.

• Latitude: 48° 39' 35'' North   (decimal: 48.6597685)
• Longitude: 67° 3' 33'' West   (decimal: -67.0591490)
• Topography Feature Category: River feature
• Geographical Feature: Fosse à saumon
• Canadian Province/Territory: Quebec
• Location: Rivière-Bonjour; Matane
• Atlas of Canada Locator Map: Le Gros Petchedetz
• GPS Coordinate Locator Map: Le Gros Petchedetz Lat/Long