Lac Patsy is a Lake located in Chute-des-Passes; Maria-Chapdelaine, Quebec and has an elevation of 429 meters.

• Latitude: 48° 59' 25'' North   (decimal: 48.9902778)
• Longitude: 71° 24' 5'' West   (decimal: -71.4013889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 429 meters
• Location: Chute-des-Passes; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Patsy
• GPS Coordinate Locator Map: Lac Patsy Lat/Long