Huonville HYOO-on-vil is a town located on the banks of the Huon River in the Huon Valley, in the south-east of Tasmania, Australia. It serves a…Huonville HYOO-on-vil is a town located on the banks of the Huon River in the Huon Valley, in the south-east of Tasmania, Australia. It serves as the administrative centre of the Huon Valley Council and is the largest town in the Huon Valley region. Situated approximately 38 kilometres south of the state capital, Hobart, Huonville acts as a gateway to Tasmania’s wilderness areas and the Southwest National Park.