Marais à O'Connor is a Low vegetation located in Trois-Rivières; Trois-Rivières, Quebec.

• Latitude: 46° 25' 14'' North   (decimal: 46.4205999)
• Longitude: 72° 37' 49'' West   (decimal: -72.6302999)
• Topography Feature Category: Low vegetation
• Geographical Feature: Marécage
• Canadian Province/Territory: Quebec
• Location: Trois-Rivières; Trois-Rivières
• GPS Coordinate Locator Map: Marais à O'Connor Lat/Long