Lac Opataca is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 364 meters.

• Latitude: 50° 23' 57'' North   (decimal: 50.3991667)
• Longitude: 74° 54' 42'' West   (decimal: -74.9116667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 364 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Opataca
• GPS Coordinate Locator Map: Lac Opataca Lat/Long