Lac Montigny is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 266 meters.

• Latitude: 49° 47' 46'' North   (decimal: 49.7961111)
• Longitude: 79° 29' 32'' West   (decimal: -79.4922222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 266 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Montigny
• GPS Coordinate Locator Map: Lac Montigny Lat/Long