The Abercrombie Caves, contained within the Abercrombie Karst Conservation Reserve, are a series of limestone arch caves that are located in the Central West region of New South Wales, Australia. The caves are renowned for their karst qualities, namely the formation that has been eroded by water action that has developed from a sinkhole to become a blind valley. Several good examples of crayback formations exist in both entrances.The 1434ha reserve is situated 75km south of and north of, near the small village of. The caves are registered as a natural heritage site on the Register of the National Estate for its large diversity of karst morphological and sedimentological features. Camping in the reserve is permitted, with sixty campground sites and two cottages. The caves are open seven days a week during school holidays; and closed on Monday and Tuesday during school terms.FeaturesThe most popular feature of the Abercrombie Caves is The Archway the largest natural arch in the southern hemisphere. Within The Archway cave is the gold miners dance platform built in January 1880 by gold miners, replacing a platform built in the 1860s, the 1880s platform is still used for performances to this day including the annual Carols in the Caves performance.Other caves within the reserve are King Solomon's Temple, Cathedral Cave, Grove Cave, and the Bushranger's Cave.