Lac de l'Agoseris is a Lake located in Baie-James; Jamésie, Quebec.

• Latitude: 52° 17' 48'' North   (decimal: 52.2966667)
• Longitude: 70° 30' 58'' West   (decimal: -70.5161111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac de l'Agoseris
• GPS Coordinate Locator Map: Lac de l'Agoseris Lat/Long