On the eastern shore of the Hawkesbury at the downstream end of Cambridge Reach near Lower Portland. A locality associated with the house built in 1831 by Andrew and Sophia Doyle, an Irishman transported for his involvement in the rebellions of 1798 and 1801. The name is said to be a shortened version of Dark Glen. Andrew Doyle also built Ulitedinburra Lodge at Portland Head see https://www.hawkesbury.org/name/ulitedinburra-lodge.html