Is a swamp about 800m north east of Clarence Railway Station and on the northern side of Bells Line of Road. Shown on the map Parish of Marangaroo, 1889 and the Parish of Lett. Named after Valentine Harding Brown who owned 280 acres of land on the western side of Browns Swamp. He also held the lease for a sawmill at Medlow (Medlow Bath) from 1 January 1881, for 5 years.