Lac à Diotte is a Lake located in Lac-Saguay; Antoine-Labelle, Quebec.

• Latitude: 46° 30' 16'' North   (decimal: 46.5044444)
• Longitude: 75° 6' 42'' West   (decimal: -75.1116667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Saguay; Antoine-Labelle
• GPS Coordinate Locator Map: Lac à Diotte Lat/Long