Longline Lake is a Lake located in Muskoka, Ontario and has an elevation of 343 meters.

• Latitude: 45° 15' 3'' North   (decimal: 45.2508333)
• Longitude: 78° 58' 17'' West   (decimal: -78.9713888)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 343 meters
• Location: Muskoka
• Atlas of Canada Locator Map: Longline Lake
• GPS Coordinate Locator Map: Longline Lake Lat/Long