About This Route
Ruta Nacional 40 is one of the longest roads in the world, stretching 5,224 kilometers along the Andes from Bolivia to Patagonia. This epic route passes through 20 national parks, 18 major rivers, and climbs to 5,000 meters. It's a journey through Argentina's diverse landscapes, from wine country to glaciers.
Must-See Highlights
Mendoza
World-famous wine region at the foot of the Andes
Perito Moreno Glacier
Massive glacier that actively calves icebergs
Quebrada de Humahuaca
Colorful canyon and UNESCO World Heritage Site
Bariloche
Chocolate town in the Lake District
El Chaltén
Trekking capital with views of Fitz Roy
Traveler Tips
- 1
Sections are unpaved - 4WD recommended for the full route
- 2
Fuel stops can be 300+ km apart
- 3
Most scenic sections are in northern Patagonia
- 4
Try asado (BBQ) and Malbec wine throughout
- 5
Check road conditions in winter - some passes close