Lac Tremblay is a Lake located in Baie-Sainte-Catherine; Charlevoix-Est, Quebec and has an elevation of 274 meters.

• Latitude: 48° 1' 55'' North   (decimal: 48.0319652)
• Longitude: 69° 52' 10'' West   (decimal: -69.8695025)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 274 meters
• Location: Baie-Sainte-Catherine; Charlevoix-Est
• Atlas of Canada Locator Map: Lac Tremblay
• GPS Coordinate Locator Map: Lac Tremblay Lat/Long