Lac Casey is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 299 meters.

• Latitude: 46° 14' 23'' North   (decimal: 46.2397222)
• Longitude: 76° 23' 3'' West   (decimal: -76.3841667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 299 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Casey
• GPS Coordinate Locator Map: Lac Casey Lat/Long