R-725 · Route File

Paso Los Libertadores

Mendoza and Valparaiso · Argentina and Chile

The principal paved international crossing between Mendoza and Santiago via Uspallata, the Cristo Redentor tunnel and steep Chilean switchbacks.

Primary window: Year-round in principle · winter closure risk
References: 8
Coverage: established
Reviewed: Aug 2026

Operational warnings

red · Confirmation required

The main Mendoza–Santiago crossing closes during severe snow, ice or high-wind events despite being a year-round highway.

A closure can create long queues and remove the day's international stage.

Planning response: Check the integrated border status and winter forecast before leaving Mendoza or Santiago.

Seasonal windows are planning triggers, not a substitute for current road, weather or land-access reports. Recheck the official sources below before departure.

Route tyre evidence

Tyres reported on Paso Los Libertadores

No reviewed tyre observation is published for this route.

Open the Tyre Library

No tyre name is inferred from route popularity, forum mentions or marketing. A report appears only after its tyre, motorcycle, route context, date and named source are reviewed.

Route-specific references

Sources for Paso Los Libertadores

Information tied directly to this road, track or route.

Permits and borders

Regional reference desk

Authorities covering the wider journey

Shared road, weather and access services used across Route Files in this region.

Weather

Roads and access

Field Links are reviewed references, not live guarantees. Conditions, closures, services and regulations change. Confirm critical information with the responsible authority before relying on it.