Upper Gnat Lake is a Lake located in Cassiar Land District, British Columbia and has an elevation of 1210 meters.

• Latitude: 58° 13' North   (decimal: 58.2167000)
• Longitude: 129° 50' West   (decimal: -129.8332999)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: British Columbia
• Elevation: 1210 meters
• Location: Cassiar Land District
• Atlas of Canada Locator Map: Upper Gnat Lake
• GPS Coordinate Locator Map: Upper Gnat Lake Lat/Long