Lac Welches is a Lake located in Sheenboro; Pontiac, Quebec and has an elevation of 322 meters.

• Latitude: 46° 10' 44'' North   (decimal: 46.1789487)
• Longitude: 77° 30' 25'' West   (decimal: -77.5069653)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 322 meters
• Location: Sheenboro; Pontiac
• Atlas of Canada Locator Map: Lac Welches
• GPS Coordinate Locator Map: Lac Welches Lat/Long