Port Campbell National Park

Listen first. Below the cliff edge, the Southern Ocean hits limestone with a deep, slow boom, then pulls back with a long hiss of foam. The wind carries salt and the sharp green smell of coastal heath. Under your feet, the path is pale and gritty, and the light out here is often silver rather than gold. Welcome to Port Campbell National Park, a narrow ribbon of cliffs along Victoria's Great Ocean Road.

Before we look at the famous rock stacks, it helps to understand what you are standing on. These cliffs are made of limestone. That limestone formed on an ancient seabed, built up over millions of years from the shells and skeletons of countless small marine creatures. Later, the land lifted, and the sea began to cut into it. So in a sense, the ocean is now taking back what it once made. The soft, layered stone gives way quickly, and that is the key to everything you see here.

This land has a much older human story too. The coastline sits within the country of the Eastern Maar people, the Traditional Owners of this part of south-west Victoria. For thousands of years, long before any ship appeared on the horizon, Aboriginal people knew these cliffs, the plants of the heath, and the rhythms of the sea. As you walk, you are moving through a cultural landscape, not just a scenic one. Signs along some paths acknowledge this connection, and they are worth a pause.

Now, the stacks. The Twelve Apostles are tall columns of limestone that stand alone in the surf, cut off from the mainland cliffs. Here is the first surprise. There were never twelve of them. Visible from the main viewpoint, you will count fewer than ten. And for many years they had a far less grand name. Early on, people called them the Sow and Piglets. The more dignified title came later, in the early twentieth century, and it stayed because it sounded better to visitors.

How does a stack form? The process is patient and steady. Waves attack weak points in the cliff and carve out caves. Over time, two caves on either side of a headland can meet, and they become an arch. Then the top of the arch falls, and a lone column is left standing in the water. The sea keeps working on that column too. One day, it slumps into the waves. Every stack you see is somewhere along this same slow cycle.

And that cycle is not just theory. In 2005, one of the Apostles collapsed, and witnesses watched a column of rock fold down into the sea. Today, the gap sits quietly among the remaining stacks. It is a reminder that this view is temporary. The scene you are looking at is not the scene your grandparents saw, and it will not be the one future visitors see. At the same time, the sea is slowly cutting new stacks from the cliffs behind.

If you have time, follow the coast a short drive to Loch Ard Gorge. This sheltered cove, with its narrow entrance and pale sand, carries one of the best-known stories of this shore. In 1878, a clipper ship called the Loch Ard struck rocks nearby in the dark. Almost everyone on board was lost. Only two young people survived, a ship's apprentice named Tom Pearce and a passenger named Eva Carmichael. Pearce reached this gorge, then went back into the water to help her.

The pair sheltered in a cave at the gorge before help arrived. Their story caught the public imagination, and newspapers of the day hoped for a romance. Here is the second surprise. They did not marry. Eva Carmichael returned home to Ireland, and the two went separate ways. Nearby, a small cemetery holds graves of some of those who drowned. The Loch Ard was one of many ships lost along this stretch, which people came to call the Shipwreck Coast.

Further west, look for London Arch. Until 1990, this formation was called London Bridge, because it was joined to the mainland by a double span of rock. Then, without warning, the span nearest the shore fell into the sea. Two visitors were walking on the outer section at the time. They were stranded on the new island, unharmed but cut off, and a helicopter had to lift them back to safety. Now a single arch stands alone, and the name has changed to match.

The park is not only rock and water. Along the cliff tops, low heath grows in the salt wind, shaped close to the ground. In the right season, you may see small flowers among the grey-green leaves. Seabirds ride the updrafts at the cliff edge. At dusk, little penguins come ashore at some beaches below the Apostles, and with patience you might spot small dark shapes moving across the sand. Keep your distance, and keep your voice low.

Weather changes everything here. On a clear morning, the stacks glow a warm honey colour against a blue sea. Under cloud, they turn grey and heavy, and the ocean looks almost black. Rain can sweep in quickly from the west, so a light waterproof layer is wise even on a bright day. The wind at the viewpoints can be strong. Hold on to hats and phones, and stay behind the barriers. The cliff edges are soft and can crumble without warning.

For a different view of the Apostles, look for the Gibson Steps near the main visitor area. A long staircase cut into the cliff takes you down to the beach. From the sand, the stacks rise above you, and their real scale becomes clear. Check conditions before you go, because high tides and big swells can make the beach unsafe. Up top, the boardwalks are the gentler choice, and they offer wide, open views along the coast in both directions.

Before you leave, stand still for one more minute. Watch a single wave travel in, lift, break white against the base of a stack, and fall back. That small moment, repeated millions of times, carved everything in front of you. Notice the colour bands in the cliff face, the foam lines on the water, the cry of a gull overhead. As you walk back to the road, the sound of the sea will follow you for a while... and then the heath will go quiet.