Lac Sirmiq is a Lake located in Baie-d'Hudson; Kativik, Quebec.

• Latitude: 62° 13' 34'' North   (decimal: 62.2261483)
• Longitude: 76° 36' 20'' West   (decimal: -76.6056668)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-d'Hudson; Kativik
• Atlas of Canada Locator Map: Lac Sirmiq
• GPS Coordinate Locator Map: Lac Sirmiq Lat/Long