Firesteel River (Ontario)

The Firesteel River is a river in Thunder Bay District, northwestern Ontario, Canada in the Hudson Bay drainage basin. It flows from Trap Lake, 3 km east of the Canadian National Railway location of George and 19 km north of the community of Upsala, southwest under the Canadian National Railway, the Canadian Pacific Railway mainline and Ontario Highway 17 to its mouth at the Seine River, 28 km west of Upsala.

Tributaries

 * Trewartha Creek (right)
 * Beaver River (right)
 * Hay River (left)
 * East Firesteel River (left)
 * North Firesteel River (right)