This is a self-guides tour. The limestone in the caves of Wombeyan Karst Conservation Reserve is 430 million years old. The geological processes that have created the magnificent cave system you see today continue to work their magic. You'll notice the impressive cave decorations, including stalactites and stalagmites, that are created by the infiltration of water into the caves. • Parking is available at Kui Kiosk and need to leave the...