Trou-à-Gardner is a Unincorporated area located in Mont-Carmel; Kamouraska, Quebec and has an elevation of 334 meters.

• Latitude: 47° 20' 57'' North   (decimal: 47.3491879)
• Longitude: 69° 42' 43'' West   (decimal: -69.7119979)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Lieu-dit
• Canadian Province/Territory: Quebec
• Elevation: 334 meters
• Location: Mont-Carmel; Kamouraska
• Atlas of Canada Locator Map: Trou-à-Gardner
• GPS Coordinate Locator Map: Trou-à-Gardner Lat/Long