Overview and Things to Consider
Patagonia is not a country - it's a shared region split between Argentina and Chile, stretching roughly from the Lake District around latitude 40 degrees south all the way to Tierra del Fuego. The Argentine side tends to be flatter steppe with dramatic peaks (think El Chalten, Perito Moreno Glacier), while the Chilean side has fjords, temperate rainforest, and the iconic towers of Torres del Paine. Both sides are expensive by South American standards and both are genuinely affected by extreme weather.
The distances are the first thing to internalize. El Calafate to Ushuaia is about 600 km. Puerto Natales to Punta Arenas is 250 km. Driving the Carretera Austral on the Chilean side takes days, not hours. Budget more time and money than you think. Patagonia rewards patience and punishes tight schedules.
Getting There and Around
Most visitors fly into El Calafate (FTE) on the Argentine side or Punta Arenas (PUQ) on the Chilean side. Both have regular flights from Buenos Aires and Santiago respectively. Aerolineas Argentinas, LATAM, and JetSmart cover these routes. From Punta Arenas, it's a 3-hour bus to Puerto Natales, the gateway to Torres del Paine. El Calafate is the base for Perito Moreno Glacier and a 3-hour bus ride from El Chalten for hiking.
Renting a car gives you the most flexibility, especially on the Argentine side where distances between towns are long and bus schedules are infrequent. On the Chilean side, the Carretera Austral is increasingly popular for road trips but requires careful planning - fuel stations are sparse and some sections are still unpaved. Border crossings between Chile and Argentina are straightforward but time-consuming, and rental car companies often don't allow cross-border travel, so check before you book.
What's Changed Since 2016
Torres del Paine implemented a reservation system for the W Trek and O Circuit. You now need to book campsites and refugios months in advance for peak season (December-February). Walk-up availability is essentially gone. El Chalten has grown significantly as a trekking destination - more hostels, restaurants, and gear shops, but also more crowded trailheads. The Laguna de los Tres hike can feel like a highway on busy days in January.
Argentina's economic instability means prices fluctuate wildly. The blue dollar exchange rate can make Argentina dramatically cheaper for visitors paying in USD cash, but the situation changes constantly - check current rates before you go. Chile is more stable but generally more expensive. Climate change is visible here - glaciers are retreating noticeably, and weather patterns have become less predictable. The Carretera Austral has seen major infrastructure improvements with more paved sections.
Ideas to Consider for Your Visit
Torres del Paine's W Trek (4-5 days) is the classic multi-day hike, hitting the three main valleys: the towers, the French Valley, and Grey Glacier. The full O Circuit (7-9 days) adds the remote backside. Book 6+ months ahead for December-February. On the Argentine side, El Chalten offers world-class day hiking - Laguna de los Tres (views of Fitz Roy) and Laguna Torre are the headliners, but shorter walks like Chorrillo del Salto are worth doing too.
Perito Moreno Glacier near El Calafate is one of the few advancing glaciers in the world. The walkways give you close-up views of the ice face, and you can hear it cracking and calving chunks into the lake. For something different, Ushuaia at the continent's southern tip offers the Beagle Channel, penguin colonies, and the starting point for Antarctic cruises. The Carretera Austral is Patagonia's great road trip - 1,200 km of volcanoes, hanging glaciers, turquoise rivers, and nearly empty roads.
Realities to Be Aware Of
Wind is the defining feature of Patagonian weather. Sustained winds of 60-80 km/h are normal, and gusts can exceed 100 km/h. This is not an exaggeration - it will affect your hiking, your camping, and your mood. Bring layers and a windproof shell that you genuinely trust. Rain can arrive without warning even on clear days. Summer temperatures rarely exceed 15-20 C even in peak season.
Patagonia is expensive. Accommodation in El Calafate, El Chalten, and Puerto Natales is significantly pricier than elsewhere in Argentina or Chile. A dorm bed runs 20-40 USD, a basic hotel room 80-150 USD. Food is similarly marked up. If you're on a budget, cook your own meals and camp where possible. Park entrance fees add up too - Torres del Paine charges around 40 USD for foreigners. Cell service is spotty to nonexistent outside towns.
If Patagonia Is Part of a Longer Trip
The most common routing is Buenos Aires to El Calafate (fly), El Calafate to El Chalten (bus, 3 hours), then cross to Chile via bus for Torres del Paine, ending in Punta Arenas for a flight to Santiago. This takes about 2 weeks at a comfortable pace. You can also work Patagonia into a longer South America trip by connecting from Bariloche and the Lake District in the north, which adds the scenic Route 40 drive down the Argentine steppe.
Ushuaia connects to Antarctic expedition cruises (typically 10-20 days, departing November through March). If that's your plan, build in a buffer day or two in Ushuaia in case of weather delays. For those heading north afterward, flights from El Calafate connect to Mendoza (wine country), Iguazu Falls, or back to Buenos Aires.
Yearly Things to Consider
The season is short. December through February is peak summer - longest days, warmest temperatures (still only 10-20 C), and the best hiking conditions. This is also when everything is most crowded and expensive. November and March are shoulder months with fewer people, lower prices, and slightly more unpredictable weather - but still very doable. October and April are risky; some facilities close and snow can block trails. May through September is winter, when most of Patagonia essentially shuts down for tourism.
Book Torres del Paine campsites as soon as reservations open (usually April-May for the following season). El Chalten accommodation fills up in January but doesn't require the same advance booking. Flights to El Calafate and Punta Arenas are cheapest when booked 2-3 months ahead. The penguin colonies near Punta Arenas and Ushuaia are most active from November through February.
Ideas for Itineraries
One Week: Argentine Patagonia Highlights
Days 1-2: Fly to El Calafate, visit Perito Moreno Glacier. Day 3: Bus to El Chalten. Days 4-5: Hike Laguna de los Tres and Laguna Torre. Day 6: Rest day or shorter hikes. Day 7: Bus back to El Calafate, fly out. This hits the two biggest Argentine highlights and is doable without crossing into Chile.
Two Weeks: Both Sides of Patagonia
Days 1-2: El Calafate and Perito Moreno. Days 3-5: El Chalten hiking. Day 6: Bus to El Calafate, then cross to Puerto Natales (bus via border, about 5 hours). Days 7-11: Torres del Paine W Trek. Day 12: Bus to Punta Arenas. Day 13: Penguin colony at Isla Magdalena. Day 14: Fly to Santiago. This is the classic both-sides itinerary.
Three Weeks: Patagonia and Tierra del Fuego
Follow the two-week itinerary but add Ushuaia. From Punta Arenas, fly or bus to Ushuaia (days 12-14). Explore Tierra del Fuego National Park, the Beagle Channel boat trip, and the Martial Glacier. Then fly back to Buenos Aires. Alternatively, start from Bariloche and drive south on Route 40, adding the Lake District and the long steppe drive before reaching El Calafate.
The Carretera Austral Road Trip
Allow 10-14 days for the Chilean side. Start in Puerto Montt or Chaiten, drive south through Futaleufu (world-class rafting), Coyhaique, and down to Villa O'Higgins at the road's end. Side trips to Queulat National Park (hanging glacier) and the Marble Caves on General Carrera Lake are essential. This is Patagonia at its most raw - fewer tourists, minimal infrastructure, and landscapes that shift from rainforest to glacier to volcanic rock in a single day.
FAQ
December through February for the best weather and longest days. November and March are excellent shoulder months with fewer crowds. Avoid May through September when most facilities close.
Book campsites and refugios 6-8 months in advance for peak season (December-February). Reservations typically open in April or May for the following season. Shoulder months are easier to book last-minute.
Yes, significantly more than the rest of South America. Budget 80-150 USD per day for mid-range travel. Cooking your own food and camping can bring costs down to 40-60 USD per day. Argentina's exchange rate situation can help if you bring USD cash.
For the big multi-day treks like the W Trek, yes - you need reasonable fitness and experience carrying a pack in wind and rain. But Perito Moreno Glacier has easy walkways, El Calafate is flat, and many El Chalten hikes are moderate day walks.
Both if you have time. The Argentine side (El Calafate, El Chalten) is better for day hiking and glaciers. The Chilean side (Torres del Paine) is better for multi-day trekking. Two weeks lets you do both comfortably.
Generally no. Most rental companies don't allow cross-border travel between Chile and Argentina. You'll need to arrange separate rentals or use buses for the border crossing.