Lost Beaver Lake is a Lake located in Northumberland, New Brunswick and has an elevation of 447 meters.

• Latitude: 46° 52' 46'' North   (decimal: 46.8795775)
• Longitude: 66° 41' 7'' West   (decimal: -66.6853959)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: New Brunswick
• Elevation: 447 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Lost Beaver Lake
• GPS Coordinate Locator Map: Lost Beaver Lake Lat/Long