Puerto Natales

Set against the wind-scoured steppe of southern Patagonia, the Cueva del Milodón is a colossal natural cavern where science and myth converge. In 1895, German explorer Hermann Eberhard discovered remarkably preserved remains of Mylodon darwinii — a giant ground sloth the size of a black bear that roamed these plains until roughly 10,000 years ago. The cave’s dry, cold climate mummified skin, fur, and dung, offering an unparalleled window into Pleistocene megafauna. Today, a life-sized replica of the milodón stands sentinel at the entrance, while interpretive trails lead into the cavern’s yawning mouth (200 m deep, 80 m wide, 30 m high). The surrounding Monumento Natural shelters other caves and rock formations, plus a healthy population of guanacos and the occasional puma. It’s a rare Patagonian stop where deep time feels tangible — you can touch the same walls that sheltered a creature Darwin himself speculated about.

Perched on the shores of the Última Esperanza Sound, Puerto Natales is the rugged, salt-scoured gateway to Torres del Paine. Once a company town for the vast Sociedad Explotadora de Tierra del Fuego, it has shed its pastoral skin to become a hiker’s haven, its waterfront a mosaic of colorful tin-roofed houses, weathered fishing boats, and the looming silhouette of the Milodón Cave’s replica mylodon. The town’s rhythm is dictated by the bus schedules and the catamarans departing for the glaciers of Bernardo O’Higgins National Park. Yet beyond the logistics, Natales holds a quiet charm: the costanera at sunset, where the Andes’ pink light washes over the sound; the artisan markets selling guanaco wool and calafate jam; the humble restaurants plating king crab and Patagonian lamb with unpretentious skill. It is a place of transition, where backpacks are repacked, boots are waxed, and the anticipation of the towers ahead mingles with the comfort of a hot shower and a cold Austral beer.