Sinclair Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 443 meters.

• Latitude: 49° 6' 39'' North   (decimal: 49.1108333)
• Longitude: 87° 27' 27'' West   (decimal: -87.4574999)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 443 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Sinclair Lake
• GPS Coordinate Locator Map: Sinclair Lake Lat/Long