The Glenelg River rises in the Grampians and flows west through Harrow and then south to Casterton and Dartmoor for over 500 km, making it one of the longest rivers in Victoria. A short stretch of the estuary winds through South Australia before returning to Victoria and flowing into the sea at Nelson.
The Glenelg River continues to be an important place for Traditional Owners and their Nations. The Registered Aboriginal Parties (RAPs) in the Glenelg River catchment are the Gunditj Mirring Traditional Owner Aboriginal Corporation and the Barengi Gadjin Land Council. Representatives from both RAPs were engaged during the preparation of the Glenelg system seasonal watering proposal.