El Chaltén is a small mountain village at the northern end of Los Glaciares National Park in Argentine Patagonia, and it exists almost entirely for hiking. Founded in 1985 as an act of territorial assertion against Chile — the border in this area was disputed, and Argentina needed a settlement — it has grown into one of the premier trekking destinations in South America. The walking is exceptional: trails begin right from the edge of town and within 30 minutes you are in pristine wilderness.
The headline is Mount Fitz Roy, the granite spire that looms above the village and features on the Patagonia clothing brand's logo. The mountain, known to the Tehuelche people as Chaltén (meaning "smoking mountain" for the clouds that perpetually shroud it), rarely shows its summit in clear conditions. But on the days when it does — early morning, after a storm passes — the sight is extraordinary: sheer orange rock faces rising 3,375 metres above the steppe, reflecting in the lakes below. The Laguna de los Tres trail is the classic route to see it.
The village itself is a single street of hostels, restaurants, and gear shops. There are no ATMs that reliably work — bring cash from El Calafate, which is about 3 hours south. The wind is relentless, the weather changes violently, and the trails can go from dry and sunny to driving rain and near-whiteout in minutes. None of this puts people off. The walking here — to Laguna Torre, to Laguna Capri, to the remote Loma del Pliegue Tumbado — is as good as any trekking on earth.