Lac Tremblay is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 264 meters.

• Latitude: 49° 42' 49'' North   (decimal: 49.7136111)
• Longitude: 79° 13' 15'' West   (decimal: -79.2208333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 264 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Tremblay
• GPS Coordinate Locator Map: Lac Tremblay Lat/Long