Lac Sacha is a Lake located in Lac-Devenyns; Matawinie, Quebec.

• Latitude: 46° 56' 48'' North   (decimal: 46.9467060)
• Longitude: 73° 39' 33'' West   (decimal: -73.6593053)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Devenyns; Matawinie
• Atlas of Canada Locator Map: Lac Sacha
• GPS Coordinate Locator Map: Lac Sacha Lat/Long