Langstaff Lake is a Lake located in Rainy River, Ontario and has an elevation of 405 meters.

• Latitude: 48° 59' 23'' North   (decimal: 48.9897222)
• Longitude: 93° 0' 50'' West   (decimal: -93.0138888)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 405 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Langstaff Lake
• GPS Coordinate Locator Map: Langstaff Lake Lat/Long