Lac Trellis is a Lake located in Sept-Îles; Sept-Rivières, Quebec and has an elevation of 170 meters.

• Latitude: 50° 23' 42'' North   (decimal: 50.3950504)
• Longitude: 66° 6' 17'' West   (decimal: -66.1046593)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 170 meters
• Location: Sept-Îles; Sept-Rivières
• Atlas of Canada Locator Map: Lac Trellis
• GPS Coordinate Locator Map: Lac Trellis Lat/Long