Lac Mekweyauch is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 199 meters.

• Latitude: 51° 7' 46'' North   (decimal: 51.1294444)
• Longitude: 77° 58' 38'' West   (decimal: -77.9772222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 199 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Mekweyauch
• GPS Coordinate Locator Map: Lac Mekweyauch Lat/Long