Lac Jonval is a Lake located in Lac-Legendre; Matawinie, Quebec and has an elevation of 453 meters.

• Latitude: 46° 37' 45'' North   (decimal: 46.6292084)
• Longitude: 74° 19' 14'' West   (decimal: -74.3204406)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 453 meters
• Location: Lac-Legendre; Matawinie
• Atlas of Canada Locator Map: Lac Jonval
• GPS Coordinate Locator Map: Lac Jonval Lat/Long