Periwinkle Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 415 meters.

• Latitude: 49° 25' 10'' North   (decimal: 49.4194444)
• Longitude: 86° 43' 55'' West   (decimal: -86.7319444)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 415 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Periwinkle Lake
• GPS Coordinate Locator Map: Periwinkle Lake Lat/Long