Lac à Joseph-Tremblay is a Lake located in Saint-Siméon; Charlevoix-Est, Quebec and has an elevation of 246 meters.

• Latitude: 47° 55' 57'' North   (decimal: 47.9324999)
• Longitude: 69° 50' 38'' West   (decimal: -69.8438888)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 246 meters
• Location: Saint-Siméon; Charlevoix-Est
• Atlas of Canada Locator Map: Lac à Joseph-Tremblay
• GPS Coordinate Locator Map: Lac à Joseph-Tremblay Lat/Long