Lamarche is a Unincorporated area located in Lamarche; Lac-Saint-Jean-Est, Quebec.

• Latitude: 48° 47' 28'' North   (decimal: 48.7911557)
• Longitude: 71° 25' 37'' West   (decimal: -71.4270395)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Bureau de poste
• Canadian Province/Territory: Quebec
• Location: Lamarche; Lac-Saint-Jean-Est
• Atlas of Canada Locator Map: Lamarche
• GPS Coordinate Locator Map: Lamarche Lat/Long