Longnega Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 355 meters.

• Latitude: 49° 7' 17'' North   (decimal: 49.1213888)
• Longitude: 85° 23' 32'' West   (decimal: -85.3922222)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 355 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Longnega Lake
• GPS Coordinate Locator Map: Longnega Lake Lat/Long