Big Mud Lake is a Lake located in Bruce, Ontario and has an elevation of 212 meters.

• Latitude: 44° 47' 44'' North   (decimal: 44.7955555)
• Longitude: 81° 9' 51'' West   (decimal: -81.1641666)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 212 meters
• Location: Bruce
• Atlas of Canada Locator Map: Big Mud Lake
• GPS Coordinate Locator Map: Big Mud Lake Lat/Long