Lac à Ti-Dat is a Lake located in Saint-Alexandre-des-Lacs; La Matapédia, Quebec.

• Latitude: 48° 28' 0'' North   (decimal: 48.4667132)
• Longitude: 67° 13' 59'' West   (decimal: -67.2330407)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Alexandre-des-Lacs; La Matapédia
• Atlas of Canada Locator Map: Lac à Ti-Dat
• GPS Coordinate Locator Map: Lac à Ti-Dat Lat/Long