Lac Jussieu is a Lake located in Lac-Nilgaut; Pontiac, Quebec.

• Latitude: 46° 35' 3'' North   (decimal: 46.5841667)
• Longitude: 77° 40' 4'' West   (decimal: -77.6677778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Jussieu
• GPS Coordinate Locator Map: Lac Jussieu Lat/Long