Lac Birch is a Lake located in Baie-Obaoca; Matawinie, Quebec.

• Latitude: 47° 42' 48'' North   (decimal: 47.7134012)
• Longitude: 74° 37' 17'' West   (decimal: -74.6212559)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-Obaoca; Matawinie
• Atlas of Canada Locator Map: Lac Birch
• GPS Coordinate Locator Map: Lac Birch Lat/Long