Donnelly River The Donnelly River whose headwaters are found between Bridgetown and Manjimup, flows south west through the D’Entrecasteaux National Park, and enters the ocean at Twin Karris Beach. Biological and physical values Typical riparian vegetation includes species such as Agonis flexuosa, Banksia species and native willow (Callistachys lanceolata) which occur along the streams and … Continue reading Donnelly River