Arc Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 399 meters.

• Latitude: 50° 43' 1'' North   (decimal: 50.7169444)
• Longitude: 90° 54' 24'' West   (decimal: -90.9066666)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 399 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Arc Lake
• GPS Coordinate Locator Map: Arc Lake Lat/Long