Gravel road toward glacier-capped mountains along Chile's Carretera Austral
By Road

Driving in Chile

The long thin country, the Carretera Austral and border rules.

By the Viamo editorial team · Editor Terje Moy · Last updated July 2026 · 6 min read

Chile's defining geographical fact — a ribbon of land some 4,300 km long but rarely more than 200 km wide, squeezed between the Andes and the Pacific — shapes almost everything about driving here. You are never far from mountains on one side or ocean on the other, the road network is generally excellent by South American standards, and the country divides naturally into distinct driving regions: the Atacama Desert in the north, the fertile central valley, the Lake District, and the wild, disconnected south around the Carretera Austral.

The basics: rules of the road

Chile drives on the right-hand side. Speed limits are generally 120 km/h on motorways (autopistas), 100 km/h on main highways, and 50–60 km/h in urban areas. Chile enforces traffic law relatively strictly compared with some neighbouring countries, including consistent use of speed cameras on major routes — fines are real and are sometimes billed to rental companies and passed on to you after the fact. Seatbelts are mandatory in all seats, and headlights are required outside urban areas on many highways even during the day.

Chile generally accepts foreign driving licences from many countries for short visits, but carrying an International Driving Permit alongside your home licence is recommended and sometimes required by rental companies, particularly if your licence isn't in Spanish. See our IDP guide for how to get one before you travel.

The country's scale: plan by region, not end to end

Very few people drive the full length of Chile in one trip — the distances make it impractical alongside everything else worth seeing along the way. Instead, most self-drive itineraries focus on one or two regions:

Andes passes into Argentina

Several high mountain passes cross the Andes between Chile and Argentina, and driving one is a highlight for many visitors combining both countries. The Los Libertadores pass (between Santiago and Mendoza) is the busiest, a spectacular switchback climb to over 3,800 metres, usable for much of the year but subject to winter closures after heavy snow — sometimes for days at a time. Further south, passes connecting the Lake District towns (such as the crossing near Puerto Varas toward Bariloche, Argentina, via Peulla and a lake-crossing ferry-and-road combination) offer a different, greener version of the same experience.

Rental companies require advance written authorisation and usually a fee for taking a car into Argentina, plus documentation you must carry with you. Arrange this well before your pick-up date, and check the seasonal status of your intended pass — some close completely in winter (roughly June to September in the high Andes, though timing varies by pass and year).

The Carretera Austral

The Carretera Austral (Ruta 7) is Chile's most celebrated road trip: a roughly 1,240 km route through Chilean Patagonia from Puerto Montt in the north to Villa O'Higgins in the south, built in stages from the 1970s through fjords, temperate rainforest, glaciers and some of the least populated country anywhere in South America. Much of the route is now paved, though sections — particularly in the far south — remain gravel, and conditions can change with weather and ongoing roadworks.

A distinctive feature of the Carretera Austral is that it is not fully continuous by road alone: several sections require short vehicle ferry crossings across fjords or channels, which need to be factored into your schedule since they run limited daily sailings rather than continuously. Fuel stations along the route are far more widely spaced than in central Chile — fill up in every town you pass through rather than waiting, and carry a spare fuel canister for the more remote southern stretches. Mobile signal is patchy to non-existent for long stretches, so download offline maps and plan each day's fuel and accommodation before setting out.

Allow more time than distance suggests. Between gravel sections, ferry crossings and the sheer scenic distraction, the Carretera Austral takes considerably longer to drive than the raw kilometres imply. Most travellers allow at least a week to do the full route justice, even without major detours.

Tolls

Chile's main motorways, particularly around Santiago and on the Route 5 (Pan-American Highway) corridor running the length of the central valley, charge tolls. Many are now electronic (TAG), automatically billed via cameras, and rental cars usually carry a transponder with charges added to your final bill — confirm this with your rental company before setting off, as unregistered vehicles can face higher administrative fees on toll notices sent after the fact.

Fuel: Copec and reaching remote areas

Copec is Chile's largest and most widespread fuel retailer, with a strong network along Route 5 and reasonable coverage even in more remote regions, alongside Shell, Petrobras and others. In the far north (the Atacama) and the far south (Patagonia and the Carretera Austral), stations thin out considerably — treat any drive through these regions with the same fuel discipline as a desert or Patagonian crossing anywhere else: fill up early and often, and know the distance to your next confirmed station.

Safety on the roads

Chile's main highways are generally well maintained and safe by regional standards, and the country has a reputation for political and personal stability that extends to driving conditions. The main practical risks are geographic rather than criminal: mountain roads with sheer drops and switchbacks in the Andes, gravel sections on the Carretera Austral and in the far north, and altitude effects in the Atacama and high passes, which can affect concentration as well as vehicle performance. Earthquakes are a genuine feature of Chilean geology; they rarely affect a short visit, but being aware of basic safety guidance is sensible during any extended stay. For the wider region, see our South America visas guide for entry rules if you're continuing on to neighbouring countries.

Frequently asked questions

Can I drive the whole length of Chile in one trip?

It's possible in principle but impractical for most visitors — the distances (over 4,000 km) mean most people fly between the north, central Chile and Patagonia, then rent a car locally to explore each region in depth.

Is the Carretera Austral fully paved?

Much of it is now paved, but sections — particularly toward the southern end near Villa O'Higgins — remain gravel, and short vehicle ferry crossings are required at several points. Check current conditions before your trip.

Do I need an International Driving Permit for Chile?

It's recommended and sometimes required by rental companies, especially if your home licence isn't in Spanish. Carry both your original licence and an IDP to avoid complications.

Can I take a Chilean rental car into Argentina?

Yes, with prior written authorisation and usually a fee from the rental company, plus supporting documents carried in the car. Confirm the seasonal status of your intended Andes pass, as several close in winter.

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