Lac Olga is a Lake located in Rivière-Mouchalagane; Caniapiscau, Quebec and has an elevation of 635 meters.

• Latitude: 52° 33' 6'' North   (decimal: 52.5516666)
• Longitude: 67° 56' 58'' West   (decimal: -67.9494444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 635 meters
• Location: Rivière-Mouchalagane; Caniapiscau
• Atlas of Canada Locator Map: Lac Olga
• GPS Coordinate Locator Map: Lac Olga Lat/Long