Lac à Nadeau is a Lake located in Algoma, Ontario.

• Latitude: 48° 17' 49'' North   (decimal: 48.2968999)
• Longitude: 84° 36' 35'' West   (decimal: -84.6097000)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Ontario
• Location: Algoma
• Atlas of Canada Locator Map: Lac à Nadeau
• GPS Coordinate Locator Map: Lac à Nadeau Lat/Long