Tuttidueh Lake is a Lake located in Cassiar Land District, British Columbia.

• Latitude: 58° 18' 15'' North   (decimal: 58.3041666)
• Longitude: 130° 4' 5'' West   (decimal: -130.0680555)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: British Columbia
• Location: Cassiar Land District
• Atlas of Canada Locator Map: Tuttidueh Lake
• GPS Coordinate Locator Map: Tuttidueh Lake Lat/Long