Lac à la Marte is a Lake located in Waltham; Pontiac, Quebec and has an elevation of 260 meters.

• Latitude: 46° 9' 39'' North   (decimal: 46.1608901)
• Longitude: 76° 54' 32'' West   (decimal: -76.9088859)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 260 meters
• Location: Waltham; Pontiac
• Atlas of Canada Locator Map: Lac à la Marte
• GPS Coordinate Locator Map: Lac à la Marte Lat/Long