Upper Mazinaw Lake is a Lake located in Lennox and Addington; Frontenac, Ontario and has an elevation of 260 meters.

• Latitude: 44° 55' 6'' North   (decimal: 44.9183333)
• Longitude: 77° 12' 27'' West   (decimal: -77.2074999)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 260 meters
• Location: Lennox and Addington; Frontenac
• Atlas of Canada Locator Map: Upper Mazinaw Lake
• GPS Coordinate Locator Map: Upper Mazinaw Lake Lat/Long