Much of the road hugs the coast tightly, offering outstanding views of Bass Strait and the Southern Ocean. The section near Port Campbell provides access by foot or helicopter to some of the most scenic coastline in the world, because of its striking and dramatic natural limestone and sandstone rock formations. These formations have been created by erosion from waves and rain and include Loch Ard Gorge, the Grotto, London Bridge (renamed to London Arch after the 'bridge' partly collapsed), and most famously the Twelve Apostles.