Mud Lake is a Lake located in Northumberland, Ontario and has an elevation of 166 meters.

• Latitude: 44° 21' 2'' North   (decimal: 44.3505555)
• Longitude: 77° 46' 14'' West   (decimal: -77.7705555)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 166 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Mud Lake
• GPS Coordinate Locator Map: Mud Lake Lat/Long