Cosy Lake is a Lake located in Saint John, New Brunswick and has an elevation of 116 meters.

• Latitude: 45° 21' 44'' North   (decimal: 45.3623115)
• Longitude: 65° 55' 26'' West   (decimal: -65.9237987)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: New Brunswick
• Elevation: 116 meters
• Location: Saint John
• Atlas of Canada Locator Map: Cosy Lake
• GPS Coordinate Locator Map: Cosy Lake Lat/Long