Eustache Lake is a Lake located in Nipissing, Ontario and has an elevation of 309 meters.

• Latitude: 45° 55' 46'' North   (decimal: 45.9294444)
• Longitude: 78° 6' 50'' West   (decimal: -78.1138888)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 309 meters
• Location: Nipissing
• Atlas of Canada Locator Map: Eustache Lake
• GPS Coordinate Locator Map: Eustache Lake Lat/Long