Lac Octon is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 454 meters.

• Latitude: 49° 30' 36'' North   (decimal: 49.51)
• Longitude: 74° 16' 12'' West   (decimal: -74.27)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 454 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Octon
• GPS Coordinate Locator Map: Lac Octon Lat/Long