Lac-Long-Nord is a Unincorporated area located in Saint-Alphonse-Rodriguez; Matawinie, Quebec and has an elevation of 278 meters.

• Latitude: 46° 10' 19'' North   (decimal: 46.1719817)
• Longitude: 73° 40' 37'' West   (decimal: -73.6768077)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Hameau
• Canadian Province/Territory: Quebec
• Elevation: 278 meters
• Location: Saint-Alphonse-Rodriguez; Matawinie
• Atlas of Canada Locator Map: Lac-Long-Nord
• GPS Coordinate Locator Map: Lac-Long-Nord Lat/Long