The Twelve Apostles is a collection of limestone stacks off the shore of the Port Campbell National Park, by the Great Ocean Road in Victoria.
The Twelve Apostles is one of the most visited natural sites in Australia. The site contains various geological rock types, including limestone, calcarenite, mudstone and sandstone. The Twelve Apostles are large limestone stacks which were formed as a result of erosion by rain, gale force winds and wild seas. Some of the largest stacks stand approximately sixty five metres above sea-level. Over time the rock formations have crumbled due erosion. Unfortunately, on 3rd July 2005, one of the fifty metre high Apostles crumbled down to the ocean, leaving only eight apostles still standing.
Below the water of the impressive Apostles lies a labyrinth of canyons, caves, and arches. These natural features contain colourful seaweed, reef fish, natural sponge gardens, and sometimes receive a visit by an Australian Fur Seal.
The tourist site of the Twelve Apostles offers sealed paths to viewing areas, and a large sealed car park with accessible parking bays. Accessibility is generally good. The vegetation is low coastal heathland, allowing uninterrupted views.