Lac Tremblay is a Lake located in Baie-Obaoca; Matawinie, Quebec and has an elevation of 554 meters.

• Latitude: 47° 43' 47'' North   (decimal: 47.7297222)
• Longitude: 74° 45' 40'' West   (decimal: -74.7611111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 554 meters
• Location: Baie-Obaoca; Matawinie
• Atlas of Canada Locator Map: Lac Tremblay
• GPS Coordinate Locator Map: Lac Tremblay Lat/Long