The Upper Lachlan Region is located in the Southern Tablelands of NSW at the headwaters of the Lachlan River Catchment. It is defined as the catchment of the Wyangala Dam south of the Abercrombie River, covers an area of 588 114 ha and has an estimated population of 6000.
The Region includes the towns of Crookwell and Gunning and the villages of Dalton, Bigga, Grabben Gullen, Tuena, Binda, Breadalbane and Laggan and forms part of the Murray-Darling Basin and 7% of the Lachlan catchment.