Monmouth Lake is a Lake located in Haliburton; Peterborough, Ontario and has an elevation of 366 meters.

• Latitude: 44° 54' 30'' North   (decimal: 44.9083333)
• Longitude: 78° 11' 32'' West   (decimal: -78.1922222)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 366 meters
• Location: Haliburton; Peterborough
• Atlas of Canada Locator Map: Monmouth Lake
• GPS Coordinate Locator Map: Monmouth Lake Lat/Long