Lac Serin is a Lake located in Rivière-Koksoak; Kativik, Quebec.

• Latitude: 58° 55' 58'' North   (decimal: 58.9327227)
• Longitude: 73° 43' 5'' West   (decimal: -73.7180978)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Serin
• GPS Coordinate Locator Map: Lac Serin Lat/Long