Puerto Natales sits on the edge of the Last Hope Sound (Ultima Eperanza Fjord) and is the gateway to Torres del Paine, in Chilean Patagonia. It lies 247km north of Punta Arenas (Chilean Patagonia's main airport), and 147km from Torres del Paine National Park.
Founded in 1911 it was once a key port for the sheep and wool industry, but its main industry is now tourism and it is well set up to support people heading into Torres del Paine National Park. There are a range of accommodation options available, from backpacker hostels to luxury lodges and spas.
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In terms of preparations for trekking in Torres del Paine you'll find everything you need here. Shops sell camping equipment, including gas cannisters, and other gear. There is even a North Face shop. However, prices are often higher than in the UK.
If you have a spare day then the Cueva de Milodon and the Visitor Centre are worth a visit.