Lac Clarke is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 383 meters.

• Latitude: 46° 22' 29'' North   (decimal: 46.3747814)
• Longitude: 77° 31' 36'' West   (decimal: -77.5266879)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 383 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Clarke
• GPS Coordinate Locator Map: Lac Clarke Lat/Long