Number One Lake is a Lake located in Nipissing, Ontario and has an elevation of 209 meters.

• Latitude: 46° 12' 3'' North   (decimal: 46.2008333)
• Longitude: 80° 5' 43'' West   (decimal: -80.0952777)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 209 meters
• Location: Nipissing
• Atlas of Canada Locator Map: Number One Lake
• GPS Coordinate Locator Map: Number One Lake Lat/Long