Lac Saint-Cyr is a Lake located in Notre-Dame-du-Mont-Carmel; Les Chenaux, Quebec and has an elevation of 62 meters.

• Latitude: 46° 26' 33'' North   (decimal: 46.4425000)
• Longitude: 72° 43' 33'' West   (decimal: -72.7258333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 62 meters
• Location: Notre-Dame-du-Mont-Carmel; Les Chenaux
• Atlas of Canada Locator Map: Lac Saint-Cyr
• GPS Coordinate Locator Map: Lac Saint-Cyr Lat/Long