Baronda is a heritage-listed former holiday house at Nelson Lake Road, Nelson Lagoon Mimosa Rocks National Park, Tanja, Bega Valley Shire, New South Wales, Australia. It was designed by Graeme Gunn and built from 1968 to 1969 by Kingsley Koellner (builder) and Hamish Ramsay (structural engineer). It is also known as Yencken House, Baronda Holiday House and Graeme Gunn-designed house. The property is owned by the NSW National Parks and Wildlife Service and the NSW Office of Environment and Heritage. It was added to the New South Wales State Heritage Register on 29 November 2013.