Lac à Ti-Pierre is a Lake located in Marsoui; La Haute-Gaspésie, Quebec.

• Latitude: 49° 7' 25'' North   (decimal: 49.1236558)
• Longitude: 66° 2' 19'' West   (decimal: -66.0385565)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Marsoui; La Haute-Gaspésie
• Atlas of Canada Locator Map: Lac à Ti-Pierre
• GPS Coordinate Locator Map: Lac à Ti-Pierre Lat/Long