The Dictionary of Sydney was archived in 2021.
Perennial stream rising on the eastern side of Walford Park Katoomba. It flows generally south for 2.5 kilometres before flowing over Katoomba Cascades, Katoomba Falls and off the Blue Mountains Range. It then flows generally south through the Jamison Valley, the Blue Mountains National Park and Kedumba Valley for a further 23 kilometres before entering Lake Burragorang near Policeman Point.