Lac Lamarche is a Lake located in Sainte-Sophie; La Rivière-du-Nord, Quebec and has an elevation of 99 meters.

• Latitude: 45° 49' 16'' North   (decimal: 45.8211111)
• Longitude: 73° 57' 26'' West   (decimal: -73.9572221)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 99 meters
• Location: Sainte-Sophie; La Rivière-du-Nord
• Atlas of Canada Locator Map: Lac Lamarche
• GPS Coordinate Locator Map: Lac Lamarche Lat/Long