Marsh Lake is a Lake located in Rainy River, Ontario and has an elevation of 381 meters.

• Latitude: 48° 55' 23'' North   (decimal: 48.9230555)
• Longitude: 92° 54' 7'' West   (decimal: -92.9019444)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 381 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Marsh Lake
• GPS Coordinate Locator Map: Marsh Lake Lat/Long