Gillis River is a River located in Mackenzie, Northwest Territories and has an elevation of 26 meters.

• Latitude: 66° 43' 50'' North   (decimal: 66.7305778)
• Longitude: 129° 48' 18'' West   (decimal: -129.8049189)
• Topography Feature Category: River
• Geographical Feature: River
• Canadian Province/Territory: Northwest Territories
• Elevation: 26 meters
• Location: Mackenzie
• Atlas of Canada Locator Map: Gillis River
• GPS Coordinate Locator Map: Gillis River Lat/Long