Lac Précision is a Lake located in Saint-Alexis-des-Monts; Maskinongé, Quebec.

• Latitude: 46° 38' 13'' North   (decimal: 46.6369750)
• Longitude: 73° 10' 39'' West   (decimal: -73.1776287)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Alexis-des-Monts; Maskinongé
• GPS Coordinate Locator Map: Lac Précision Lat/Long