The Smith River is a river in the Yukon Territory and the province of British Columbia, Canada, arising in the Yukon at and crossing the border to enter British Columbia at [1] to its confluence with the Liard River at , between the confluences of the Toad and Coal Rivers.[2] At the confluence is the site of the former Hudson's Bay Company trading post, Fort Halkett, and also Smith River Falls, which are jointly protected by Smith River Falls-Fort Halkett Provincial Park.
The settlement of Smith River is located upstream at the confluence of Shaw Creek,[3] and is the site of the third-coldest temperature on record in Canada.