Lac Gatty is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 349 meters.

• Latitude: 46° 31' 8'' North   (decimal: 46.5188889)
• Longitude: 76° 47' 53'' West   (decimal: -76.7980556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 349 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Gatty
• GPS Coordinate Locator Map: Lac Gatty Lat/Long