Lac Syam is a Lake located in Saint-Guillaume-Nord; Matawinie, Quebec and has an elevation of 390 meters.

• Latitude: 46° 27' 10'' North   (decimal: 46.4528177)
• Longitude: 73° 59' 23'' West   (decimal: -73.9895963)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 390 meters
• Location: Saint-Guillaume-Nord; Matawinie
• Atlas of Canada Locator Map: Lac Syam
• GPS Coordinate Locator Map: Lac Syam Lat/Long