Lac Jamyn is a Lake located in Petit-Mécatina; Minganie, Quebec and has an elevation of 51 meters.

• Latitude: 51° 40' 12'' North   (decimal: 51.6700539)
• Longitude: 58° 2' 11'' West   (decimal: -58.0363001)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 51 meters
• Location: Petit-Mécatina; Minganie
• Atlas of Canada Locator Map: Lac Jamyn
• GPS Coordinate Locator Map: Lac Jamyn Lat/Long