Mattawishkwia River is a River located in Cochrane, Ontario and has an elevation of 224 meters.

• Latitude: 49° 53' 20'' North   (decimal: 49.8888888)
• Longitude: 83° 12' 41'' West   (decimal: -83.2113888)
• Topography Feature Category: River
• Geographical Feature: River
• Canadian Province/Territory: Ontario
• Elevation: 224 meters
• Location: Cochrane
• Atlas of Canada Locator Map: Mattawishkwia River
• GPS Coordinate Locator Map: Mattawishkwia River Lat/Long

042F01 Oba Topographic Map at 1:50,000 scale

042F09 Nassau Lake Topographic Map at 1:50,000 scale

042G04 Roche Lake Topographic Map at 1:50,000 scale

042G05 Mead Topographic Map at 1:50,000 scale

042G12 Hearst Topographic Map at 1:50,000 scale

042G13 Hanlan Lake Topographic Map at 1:50,000 scale

042G14 Shannon Lake Topographic Map at 1:50,000 scale

042F Hornepayne Topographic Map at 1:250,000 scale

042G Kapuskasing Topographic Map at 1:250,000 scale