Grassy Lake is a Lake located in Peterborough, Ontario and has an elevation of 291 meters.

• Latitude: 44° 39' 38'' North   (decimal: 44.6605555)
• Longitude: 77° 58' 20'' West   (decimal: -77.9722222)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 291 meters
• Location: Peterborough
• Atlas of Canada Locator Map: Grassy Lake
• GPS Coordinate Locator Map: Grassy Lake Lat/Long