Lac Mewab is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 369 meters.

• Latitude: 46° 44' 32'' North   (decimal: 46.7422222)
• Longitude: 76° 44' 9'' West   (decimal: -76.7358333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 369 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Mewab
• GPS Coordinate Locator Map: Lac Mewab Lat/Long