Hiking in Patagonia: Torres del Paine & Los Glaciares
Patagonia is the holy grail of low-altitude wilderness trekking — a windswept region shared between Chile and Argentina where granite spires rise from ice fields, glaciers calve into milky lakes, and the weather can swing through four seasons in a single afternoon. The two flagship hiking destinations are Torres del Paine National Park in Chile and Los Glaciares National Park (Fitz Roy / El Chaltén) in Argentina.
Unlike the high Himalaya or the Andes of Peru, Patagonia's trails stay below 1,500 m, so altitude is never the challenge — wind, changeable weather and distance are. The reward is some of the most dramatic mountain scenery on earth, accessible to any reasonably fit walker.
This guide covers the two classic circuits, the best season, permits, refugio logistics, and what to pack for the windiest trekking region in the world.
Torres del Paine: The W and the O Circuit
The W Trek (~80 km, 4–5 days) is the most popular route in Torres del Paine, linking the three signature valleys — Francés, Cuernos and the base of the Torres — via the refugio network. It can be walked independently with refugio and campsite reservations, or as a guided group.
The O Circuit (~110–130 km, 7–9 days) completes the full loop around the massif, including the remote John Gardner Pass. It is quieter and more committing than the W, with a strict daily camp reservation system run by CONAF and the private concessionaires (Vertice, Las Torres Reserve).
Reservations for refugios and campsites open months in advance and frequently sell out for peak season (December–February). Book through the official Torres del Paine reservation system.
Fitz Roy and El Chaltén
On the Argentine side, El Chaltén is the trekking capital of Patagonia — a small town where trails leave directly from the streets, no transport required. The Laguna de los Tres day hike (23 km round trip, ~700 m gain) delivers the classic Fitz Roy viewpoint and is the single most rewarding day walk in the region.
The Laguna Torre hike (20 km round trip) reaches the base of Cerro Torre and its glacier, while the multi-day Huemul Circuit (~60 km, 4 days) crosses glaciers and involves a tyrolean traverse — for experienced trekkers only.
Los Glaciares National Park has no entry fee for the El Chaltén trails; the Perito Moreno glacier viewpoint area charges a park entry fee.
When to Go and Weather
The trekking season runs from November to March (austral summer). December–February is peak season: longest days, warmest temperatures, but busiest trails and highest demand for refugios. November and March are quieter and cooler, with more changeable weather.
Patagonian weather is notoriously volatile regardless of season. Wind is the defining feature — gusts over 100 km/h are common. Carry full waterproofs, windproof layers, and be prepared for sun, rain, sleet and even snow on the same day, even in midsummer.
Permits, Access and Logistics
Torres del Paine (Chile): park entry paid at the CONAF gate; refugio and campsite reservations must be made in advance through the official concessionaire system. There is no on-the-spot camping outside designated sites on the W/O.
Los Glaciares / El Chaltén (Argentina): the trekking trails are free and unguided; no permits required for day hikes. The Huemul Circuit requires registration at the ranger station in El Chaltén.
Access: fly to Punta Arenas (Chile) or El Calafate (Argentina), then bus to Puerto Natales or El Chaltén respectively. Both are well-connected trekking hubs with gear shops, hostels and tour operators.
Frequently asked questions
- Do I need a guide to hike in Patagonia? No. Both Torres del Paine and the El Chaltén trails can be hiked independently. Guides are recommended for the O Circuit and the Huemul Circuit for safety and logistics, but not legally required.
- How hard is the W Trek? Moderate. The W is ~80 km over 4–5 days with a maximum elevation gain of about 800 m on the Torres base climb. It is within reach of any fit, regular walker. The challenge is the weather and wind, not the altitude.
- When is the best time to hike Patagonia? November to March (austral summer). December–February is peak season with the best weather but busiest trails. November and March are quieter and cooler.
- Do I need to book refugios in advance? Yes — for Torres del Paine, refugio and campsite reservations open months ahead and sell out for December–February. Book through the official reservation system. El Chaltén trails are free and require no booking.
- What is the wind like in Patagonia? Wind is the defining feature. Gusts over 100 km/h occur even in summer. Bring a windproof shell, trekking poles for stability, and be ready to shorten days in extreme conditions.
- Is altitude a problem in Patagonia? No. Trails stay below 1,500 m. The challenges are weather, wind and distance, not altitude — which makes Patagonia accessible to sea-level travellers without acclimatisation.
- How do I get to Torres del Paine? Fly to Punta Arenas (Chile), bus to Puerto Natales (3 hours), then bus or transfer to the park entrance (~2 hours). Puerto Natales is the standard base town.
- Can I compare Patagonia with Morocco hiking? They are very different. Patagonia is low-altitude wilderness with extreme wind; Morocco's Atlas Mountains offer high-altitude summit trekking (Toubkal, 4,167 m), Berber culture and a much shorter transfer from a major city (Marrakech). See our Atlas Mountains hiking guide.
Atlas Mountains Hiking — A high-altitude, culturally rich alternative to Patagonia's low-altitude wilderness.