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

• Latitude: 56° 29' 5'' North   (decimal: 56.4847000)
• Longitude: 130° 12' 10'' West   (decimal: -130.2028000)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: British Columbia
• Location: Cassiar Land District
• Atlas of Canada Locator Map: Ptarmigan Lake
• GPS Coordinate Locator Map: Ptarmigan Lake Lat/Long