Lonesome Lake is a Lake located in Nipissing, Ontario and has an elevation of 489 meters.

• Latitude: 45° 34' 53'' North   (decimal: 45.5813888)
• Longitude: 78° 7' 58'' West   (decimal: -78.1327777)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 489 meters
• Location: Nipissing
• Atlas of Canada Locator Map: Lonesome Lake
• GPS Coordinate Locator Map: Lonesome Lake Lat/Long