Lac Olga is a Lake located in Chute-des-Passes; Maria-Chapdelaine, Quebec.

• Latitude: 50° 57' 18'' North   (decimal: 50.955)
• Longitude: 71° 43' 53'' West   (decimal: -71.7313889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Chute-des-Passes; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Olga
• GPS Coordinate Locator Map: Lac Olga Lat/Long