The Jenolan Caves (Tharawal: Binoomea, Bindo, Binda[2]) are limestonecaves located within the Jenolan Karst Conservation Reserve in the Central Tablelands region, west of the Blue Mountains, in New South Wales, in eastern Australia. The caves and 3,083-hectare (7,620-acre) reserve are situated approximately 175 kilometres (109 mi) west of Sydney, 20 kilometres (12 mi) east of Oberon and 30 kilometres (19 mi) west of Katoomba.