Tumtum Lake is a Lake located in Kamloops Division Yale Land District, British Columbia and has an elevation of 671 meters.

• Latitude: 51° 52' North   (decimal: 51.8666999)
• Longitude: 119° 7' West   (decimal: -119.1166999)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: British Columbia
• Elevation: 671 meters
• Location: Kamloops Division Yale Land District
• Atlas of Canada Locator Map: Tumtum Lake
• GPS Coordinate Locator Map: Tumtum Lake Lat/Long