Patagonia rewards advance planning more than almost anywhere else in South America, because the season is short, the wind is not negotiable, and the gaps between gates, towns and trailheads are measured in hours rather than blocks. Trips fall apart here on logistics, not on scenery.
The first decision is which side of the Andes you want as a base. Chile and Argentina offer different terrain, different currency logistics and different answers to how much of the trip you intend to walk.
Chile or Argentina, or both
Chile's Torres del Paine is the fuller package: granite towers, glaciers calving into the lakes, refugios a day's walk apart, and a trail network that supports four days without leaving the park. Argentina answers with El Chalten at the foot of Fitz Roy, where the day hikes cost nothing and the town still feels like a trailhead rather than a resort.
| Base | Best for | Typical nights | Access |
|---|---|---|---|
| Torres del Paine, Chile | Multi-day trekking, glacier ice | 4 | Punta Arenas, then 5 hours by bus |
| Puerto Natales, Chile | Park gateway, supplies, gear rental | 2 | 3 hours by bus from Punta Arenas |
| El Chalten, Argentina | Free trail network, Fitz Roy views | 3 | 3 hours by bus from El Calafate |
| El Calafate, Argentina | Glacier day trips, flight hub | 2 | Direct flights from Buenos Aires |
A trip that covers both sides needs 10 to 12 nights on the ground. Buses cross the border near Rio Turbio in about five hours including formalities, which makes it a full day but a scenic one.
When to go, and what the wind does
The season runs from October to April, and the park's busiest and calmest windows sit at opposite ends of it. Choose by wind tolerance and by how much company you want on the trail.
- November and March: fewer people, changeable weather, and services either opening up or winding down.
- December to February: long days with afternoon temperatures of 12 to 20 degrees Celsius, the strongest wind, and the highest prices.
- October and April: cold, possible snow above 800 meters, and the chance of having a trail section to yourself.
- Gusts near 100 kilometers per hour are routine in midsummer, which matters more for tents and boat departures than for walking.
- Late March gives you long days, fall color across the lenga forests, and a fraction of the February crowd.
The practical consequence of the wind is scheduling, not bravery: put the exposed sections in the morning and keep the glacier boat for a day with a calmer forecast. Guides read the sky daily and will move your order around if you let them.
The W trek in four to five days
The W is the park's classic route and the right one for most first visits, because it hits the towers, the French Valley and the Grey Glacier without requiring a full expedition permit or a month of training. Most walkers who arrive reasonably fit complete it inside the standard window.
- Day 1: enter at Laguna Amarga in the morning and walk to Refugio Chileno, about four hours with a light pack.
- Day 2: sunrise at the towers base, then descend to Cuernos or Italiano in six to eight hours.
- Day 3: the French Valley to Paine Grande, the big day at eight to nine hours with the mirador side trip.
- Day 4: out to the Grey Glacier viewpoint and back, seven to eight hours, or cut it short by boat.
- Day 5: the catamaran across Lake Pehoe, then the park exit bus to Puerto Natales.
Refugio beds with half board run about $90 to $130 per night and sell out by September for December departures; camping with hired gear lands near $25 to $40. Book the beds the day reservations open, because inventory does not wait for your flight confirmation.
Bookings, transfers and money
Most of what goes wrong in Patagonia is administrative rather than physical, and every item below can be settled before you fly. The trip gets easier in direct proportion to how dull your inbox is on arrival.
- Park entry is booked online with a time slot at your gate, about $30 to $40 per person per day for foreign visitors in the 2026 season.
- Buses from Puerto Natales leave between six and eight in the morning; the ride to the park gates takes two to five hours depending on which entrance you use.
- Fly Santiago to Punta Arenas for the Chilean side, about three and a half hours, or Santiago to El Calafate for the Argentine one, then connect by bus.
- ATMs in Natales and El Calafate run dry on weekends, so carry some US dollars to exchange and confirm the card rate on arrival.
- Rent sleeping bags, poles and packs in Puerto Natales rather than flying with them; a full kit costs about $12 to $18 a day.
- Leave one buffer night in each gateway town, because weather closes the park and a missed morning bus costs you a day rather than an hour.
Two weeks on the ground covers both sides at a sane pace: four nights around the Paine circuit, a border day, three in El Chalten, two in El Calafate, and the rest held as slack for wind. Ten nights works if you drop the Argentine glacier and commit to the Chilean park.
We book the refugio beds, the transfers and the reserve days in one pass, before the season inventory thins out. Tell us your dates and your walking level and we will draft the route with those placements already decided.