Whitewater Region is a township located within the scenic Ottawa Valley, in eastern Ontario, Canada on the Ottawa River in Renfrew County. Whitewater Region is made up of the former municipalities of Beachburg, Cobden, Ross and Westmeath, which were amalgamated into the current township on January 1, 2001.Whitewater Region is named after the stretch of world famous whitewater on the Ottawa River, popular for rafting and kayaking.