Calm Lake is a Unincorporated area located in Rainy River, Ontario.

• Latitude: 48° 44' 59'' North   (decimal: 48.7497222)
• Longitude: 92° 10' 27'' West   (decimal: -92.1741666)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Railway Point
• Canadian Province/Territory: Ontario
• Location: Rainy River
• Atlas of Canada Locator Map: Calm Lake
• GPS Coordinate Locator Map: Calm Lake Lat/Long