Lac Poiriot is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 361 meters.

• Latitude: 46° 33' 16'' North   (decimal: 46.5545046)
• Longitude: 77° 40' 12'' West   (decimal: -77.6700255)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 361 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Poiriot
• GPS Coordinate Locator Map: Lac Poiriot Lat/Long