La Vallee is a township in the Canadian province of Ontario, located within the Rainy River District.

It stretches for 6 miles (9.7 km) along the north side of the Rainy River, with a depth of 15 miles (24 km), and consists of the geographic townships of Devlin, Burriss and Woodyatt.

The township had a population of 938 in the Canada 2016 Census, down 5.1% from 2011.

In the 2021 Census of Population conducted by Statistics Canada, La Vallee had a population of 788 living in 319 of its 379 total private dwellings, a change of -16% from its 2016 population of 938.

This Northern Ontario geographical article is a stub.