Lost Lake is a Lake located in Renfrew, Ontario and has an elevation of 319 meters.

• Latitude: 45° 14' 21'' North   (decimal: 45.2391666)
• Longitude: 77° 2' 29'' West   (decimal: -77.0413888)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 319 meters
• Location: Renfrew
• Atlas of Canada Locator Map: Lost Lake
• GPS Coordinate Locator Map: Lost Lake Lat/Long