Rainbow Lake is a Lake located in Lanark, Ontario and has an elevation of 183 meters.

• Latitude: 44° 48' 17'' North   (decimal: 44.8047222)
• Longitude: 76° 30' 9'' West   (decimal: -76.5024999)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 183 meters
• Location: Lanark
• Atlas of Canada Locator Map: Rainbow Lake
• GPS Coordinate Locator Map: Rainbow Lake Lat/Long