Première chaîne de Roches is a Island located in Donnacona; Portneuf, Quebec.

• Latitude: 46° 39' 59'' North   (decimal: 46.6663889)
• Longitude: 71° 44' 34'' West   (decimal: -71.7427778)
• Topography Feature Category: Island
• Geographical Feature: Roches
• Canadian Province/Territory: Quebec
• Location: Donnacona; Portneuf
• Atlas of Canada Locator Map: Première chaîne de Roches
• GPS Coordinate Locator Map: Première chaîne de Roches Lat/Long