Lac Henderson is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 427 meters.

• Latitude: 46° 58' 27'' North   (decimal: 46.9741667)
• Longitude: 76° 59' 4'' West   (decimal: -76.9844444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 427 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Henderson
• GPS Coordinate Locator Map: Lac Henderson Lat/Long