Railay Beach

The limestone cliffs rise straight from the sand, their faces streaked with rust and grey, pocked with caves and overhangs where vines dangle into the light. The air smells of salt and wet rock. Beneath your feet, the sand is fine and white, almost powdery, and the water that laps at the shore is so clear you can see your toes through a metre of it. This is Railay Beach, cut off from the mainland by those same cliffs, accessible only by boat — a pocket of coastline that feels like an island but is still part of the Krabi province on Thailand's Andaman coast.

The cliffs are karst, a type of limestone landscape shaped by rainwater eating through the rock over millions of years. The result is a jagged, vertical topography, full of caves and sinkholes and sheer walls that attract climbers from around the world. Railay became a climbing destination in the late nineteen-eighties, when a handful of adventurers realised the rock here was perfect — solid, textured, and tall enough to offer hundreds of routes. Today, the cliffs hold more than seven hundred established climbs, from beginner-friendly slabs to overhanging routes that require serious skill.

The beach itself splits into four sections. Railay West, where you are likely standing, faces the sunset and is the most developed, lined with resorts and longtail boats. Railay East, on the opposite side of the peninsula, is mangrove and mud at low tide, used mainly as a boat landing. Phra Nang Beach, a short walk south, is often called the most beautiful stretch, with a cave at one end that locals consider sacred. Tonsai Beach, just north, is rougher, more laid-back, and favoured by climbers who camp or stay in cheap bungalows.

The name Railay — sometimes spelled Rai Leh — comes from a local legend about a princess spirit who lives in the Phra Nang Cave. Fishermen still leave offerings there, small wooden phalluses carved from driftwood, asking for safe passage or good catches. The cave sits at the base of a cliff, its entrance framed by stalactites, and inside the air is cool and smells of incense. The princess, according to the story, drowned at sea and her spirit settled in the cave. Whether you believe the tale or not, the place has a weight to it, a quiet that feels older than the resorts.

Railay remained largely untouched until the nineteen-seventies, when backpackers began arriving by longtail from Ao Nang, the nearest town. There were no roads, no electricity, just a few fishermen's huts and jungle. The first guesthouse opened in the early nineteen-eighties, and by the nineties, Railay had become a fixture on the Southeast Asia backpacker trail. Development came quickly after that — bungalows turned into resorts, dirt paths became paved walkways, and the beach that once saw a dozen visitors a day now sees hundreds.

The cliffs are not just for climbers. At low tide, you can walk around the southern headland to Phra Nang Beach, scrambling over rocks and wading through shallow pools. The path is slippery and uneven, but it takes less than ten minutes. At high tide, the route is underwater, and you will need to take a kayak or swim. The jungle behind the beach is dense and full of monkeys — long-tailed macaques that have learned to snatch bags and bottles from tourists. They are bold and quick, and if you are carrying food, keep it zipped.

The light here changes dramatically through the day. Early morning, before the longtails arrive, the water is still and the cliffs cast long shadows across the sand. By midday, the sun is overhead and the limestone glows white, almost blinding. Late afternoon, the rock turns gold, then amber, and climbers dangle from routes high above the beach, their silhouettes sharp against the sky. At sunset, the cliffs on Railay West frame the sun as it drops into the Andaman Sea, and the whole beach goes quiet for a few minutes, everyone watching.

The water is warm year-round, between 2008 and thirty degrees Celsius, and the visibility is good for snorkelling, especially near the rocks at the southern end of Phra Nang Beach. You will see parrotfish, angelfish, and small reef sharks if you are patient. The coral is patchy — some areas are healthy, others bleached — but the fish are plentiful. The best snorkelling is in the dry season, from November to April, when the sea is calm and the water is clearest.

Railay is small enough that you can walk the entire peninsula in less than an hour. There are no cars, no motorbikes, just footpaths and the occasional wheelbarrow hauling supplies. The jungle in the centre is thick and loud with insects, and at night, the paths are lit by strings of bulbs strung between trees. The resorts cluster along Railay West and Phra Nang, while Tonsai remains scruffier, with a few bars and climbing shops. The whole place has a strange mix of luxury and rawness — five-star hotels next to jungle, limestone cliffs rising behind beach chairs.

As you stand here, notice the texture of the rock closest to you. Run your hand along it if you can reach — it is rough, full of tiny pockets and sharp edges, the kind of surface that gives climbers grip but tears skin if you are not careful. Look up at the routes above you, the bolts drilled into the stone, the chalk marks where hundreds of hands have pressed. This is a place shaped by water and time, and now by people who come to test themselves against it. The cliffs will outlast the resorts, the boats, the noise. They were here long before Railay had a name, and they will be here long after the last longtail leaves.