Lac du Second Portage is a Lake located in Lac-Saint-Paul; Antoine-Labelle, Quebec.

• Latitude: 46° 45' 12'' North   (decimal: 46.7533333)
• Longitude: 75° 14' 3'' West   (decimal: -75.2341667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Saint-Paul; Antoine-Labelle
• GPS Coordinate Locator Map: Lac du Second Portage Lat/Long