Lac Trinity is a Lake located in Lac-Walker; Sept-Rivières, Quebec.

• Latitude: 49° 46' 41'' North   (decimal: 49.7781021)
• Longitude: 67° 27' 48'' West   (decimal: -67.4632982)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• GPS Coordinate Locator Map: Lac Trinity Lat/Long