Lac Pennoyer is a Lake located in Rivière-Koksoak; Kativik, Quebec and has an elevation of 524 meters.

• Latitude: 56° 57' 9'' North   (decimal: 56.9525)
• Longitude: 64° 21' 41'' West   (decimal: -64.3613888)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 524 meters
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Pennoyer
• GPS Coordinate Locator Map: Lac Pennoyer Lat/Long