Big Otter Lake is a Lake located in Muskoka, Ontario and has an elevation of 242 meters.

• Latitude: 44° 57' 30'' North   (decimal: 44.9583333)
• Longitude: 79° 34' 29'' West   (decimal: -79.5747222)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 242 meters
• Location: Muskoka
• Atlas of Canada Locator Map: Big Otter Lake
• GPS Coordinate Locator Map: Big Otter Lake Lat/Long