Plan on about 8 h 13 min of driving for the 337-mile (542 km) trip from Pichilemu to Las Leñas, Argentina, before any stops. You cross from Chile into Argentina at about mile 201, at Paso Pehuenche.
Full advisory: Chile, Argentina. Advisory issued: Chile August 19, 2026; Argentina July 10, 2026; checked October 10, 2026.
On the roads, the State Department says:
- Chile: “Secondary and mountain roads may be poorly maintained, poorly lit, and may lack guardrails.”
- Argentina: “Gas stations are often far apart and not always easily identified from the main roadway.”
| Distance | 337 mi (542 km) |
|---|---|
| Driving time, no stops | 8 h 13 min |
| Main roads, in order | I-502 → I-72 → I-70-J → J-70-I → J-60 → K-40-J → RN145 → RN40 → RP222 |
| Border crossing | about mile 201, Chile → Argentina (Paso Pehuenche) |
| Regions on the route | Libertador General Bernardo O'Higgins, Maule, Mendoza |
| Fuel estimate (car at 25 mpg) | about 13.5 gal; actual use varies by vehicle and traffic |
| Stops listed below | 6 |
Border crossing: what to bring for Argentina
The route crosses at about mile 201, at Paso Pehuenche, from Maule into Mendoza. Plan on two checks on each side: immigration for your passport and customs for the car.
| Entering Argentina (U.S. citizens) | No visa needed for visits of 90 days or less. Passport: must be valid when you enter; leave a blank page for the entry and exit stamps. |
|---|---|
| Driving in Argentina | A valid U.S. license usually works; an International Driving Permit is recommended. |
| Entering Chile (U.S. citizens) | No visa needed for 90 days or less on a tourist passport; you get a Tourist Card valid for up to 90 days. Passport: must be valid for your whole stay. |
| Driving in Chile | A valid U.S. license works for the length of your tourist permit, usually 90 days. |
| The car, entering Argentina | Argentine customs (ARCA) registers the car's temporary entry. Bring the title or registration, liability insurance valid in Argentina and, if you don't own the car, a power of attorney signed before a notary. A rental car needs the rental company's MERCOSUR circulation authorization (ACM), and the company must be registered with Argentine customs. |
| Rental car | Cross only if the rental company authorizes it in writing and gives you the papers for the border; ask before you book. |
Sources: U.S. State Department, Argentina (updated July 16, 2026); U.S. State Department, Chile (updated July 02, 2026); ARCA (Argentine customs). Checked October 10, 2026; rules change, so confirm before you go.
On the road from Pichilemu to Las Leñas
RN40 (58 mi) and RN145 (47 mi) carry about 31% of the 337 miles. The first 201 miles are in Chile; the last 136 are in Argentina. It runs through 3 regions: Libertador General Bernardo O'Higgins, Maule, Mendoza. Of the 6 stops listed below, 1 are within a mile of the road.
Roads you'll take from Pichilemu to Las Leñas
| Road | Route miles (from–to) | Length, mi | Region |
|---|---|---|---|
| local roads | 0–4 | 4 | Libertador General Bernardo O'Higgins |
| I-502 | 4–18 | 14 | Libertador General Bernardo O'Higgins |
| connecting roads | 18–24 | 6 | Libertador General Bernardo O'Higgins |
| I-72 | 24–42 | 18 | Libertador General Bernardo O'Higgins |
| I-70-J | 42–54 | 12 | Libertador General Bernardo O'Higgins |
| J-70-I | 54–67 | 13 | Libertador General Bernardo O'Higgins, Maule |
| J-60 | 67–72 | 5 | Maule |
| K-40-J | 72–91 | 19 | Maule |
| local roads | 91–202 | 111 | Maule, Mendoza |
| RN145 | 202–249 | 47 | Mendoza |
| RN40 | 249–307 | 58 | Mendoza |
| RP222 | 307–337 | 30 | Mendoza |
- Mile 57 of this route: Libertador General Bernardo O'Higgins → Maule (region line)
- Mile 201 of this route: Maule → Mendoza (international border)
Places worth a stop between Pichilemu and Las Leñas
- Right off the route (under 1 mile): Cáhuil Lagoon (mile 10)
- Nature and outdoors: Museum of the Rural Child (mile 7), Cáhuil Lagoon (mile 10), Campanario Thermal Baths (mile 181), Médanos Grandes (mile 249)
- Museums and history: Museum of the Rural Child (mile 7), Museo de Bomberos de Talca (mile 103)
Museum of the Rural Child
The Museum of the Rural Child (Museo del Niño Rural) is a museum in the village of Ciruelos, in the Pichilemu commune of the O'Higgins region.
Cáhuil Lagoon
Cáhuil Lagoon (Laguna Cáhuil) is a body of water just south of Cáhuil in Chile's O'Higgins Region, at the mouth of the Nilahue estuary.
Teatro Regional del Maule
Known as the TRM, the Teatro Regional del Maule in Talca opened on September 5, 2005, and its main hall seats 1,028 people.
Museo de Bomberos de Talca
Housed inside the headquarters of the Talca fire corps, the Benito Riquelme Fire Museum in Talca, Maule Region, belongs to the commune's firefighters.
Campanario Thermal Baths
Campanario Thermal Baths (Baños Campanario) are hot springs in Chile's Maule Region, used both for medicinal purposes and by visitors looking for a soak.
Médanos Grandes
Médanos Grandes is a dune field in west-central Argentina, a sandy landscape that covers an area of roughly 2,000 square kilometers.
More drives to Las Leñas
- Temuco to Las Leñas, Argentina
- Rancagua to Las Leñas, Argentina
- Curicó to Las Leñas, Argentina
- Villarrica to Las Leñas, Argentina
- Pucón to Las Leñas, Argentina
- Curacautín to Las Leñas, Argentina
More drives from Pichilemu
- Pichilemu to Reñaca
- Pichilemu to El Colorado
- Pichilemu to Valle Nevado
- Pichilemu to Portillo
- Pichilemu to Vicuña
- Pichilemu to Pisco Elqui
Continue Your Adventure
Frequently asked questions
How long does it take to drive from Pichilemu to Las Leñas, Argentina?
About 8 h 13 min of driving without stops, over 337 miles.
What is the driving distance from Pichilemu to Las Leñas, Argentina?
About 337 miles (542 km) on the Wayro route. Other map services may show a few miles more or less, depending on where they start and end in each city.
Where does the Pichilemu to Las Leñas drive cross the border?
At about mile 201, from Chile into Argentina, at Paso Pehuenche.
What do U.S. citizens need to drive from Pichilemu into Argentina?
No visa needed for visits of 90 days or less. Passport: must be valid when you enter; leave a blank page for the entry and exit stamps. A valid U.S. license usually works; an International Driving Permit is recommended. (U.S. State Department, updated July 16, 2026.)
Is it safe to drive from Pichilemu to Las Leñas, Argentina?
The U.S. State Department rates Chile Level 2: Exercise Increased Caution; Argentina Level 1: Exercise Normal Precautions. Read the full advisory before you go.
Which highways go from Pichilemu to Las Leñas?
In order: I-502, I-72, I-70-J, J-70-I, J-60, K-40-J, RN145, RN40 and RP222. The road-by-road table above shows the route miles for each one.
Where can you stop on the way from Pichilemu to Las Leñas?
Closest to the road: Cáhuil Lagoon (river, mile 10, 0.6 mi from the route); Museo de Bomberos de Talca (history museum, mile 103, 1 mi from the route); Campanario Thermal Baths (hot spring, mile 181, 1 mi from the route). All stops are described above.
How we put this guide together
Wayro calculates the route from OpenStreetMap road data; mile numbers are positions along this route, not highway markers, and "from the route" distances are straight-line, so the real detour depends on access roads. Stops are chosen from parks, natural sites, museums, historic sites and attractions close to the route: at least one strong stop for each stretch of the drive, then the best-known places nearest the road, up to nine in all. Places that are closed, private or not open to visitors are removed. Place descriptions are written by the Wayro team from official park, museum, tourism and government websites and other published sources. Safety levels and entry rules were checked against the U.S. Department of State on October 10, 2026. Conditions change, so check the linked sources before you travel.
Route data © OpenStreetMap contributors.