La Roche à Siméon is a River feature located in Grande-Rivière; Le Rocher-Percé, Quebec.

• Latitude: 48° 26' 31'' North   (decimal: 48.4420015)
• Longitude: 64° 30' 47'' West   (decimal: -64.5129308)
• Topography Feature Category: River feature
• Geographical Feature: Fosse à saumon
• Canadian Province/Territory: Quebec
• Location: Grande-Rivière; Le Rocher-Percé
• Atlas of Canada Locator Map: La Roche à Siméon
• GPS Coordinate Locator Map: La Roche à Siméon Lat/Long