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182km (113 miles) W of Sydney; 70km (43 miles) SW of Katoomba

The winding road from Katoomba eventually takes you to a spur of the Great Dividing Range and a series of underground limestone caves considered some of the world's best. Known to the local Aborigines as Binoomea, meaning "dark place," the caves are an impressive amalgamation of stalactites, stalagmites, and underground rivers and pools.