National Route 40 is a major highway in Argentina that stretches over 5,000 kilometers from the northern region of Jujuy to the southern tip at Ushuaia. It is one of the longest routes in the country and traverses diverse landscapes, including mountains, deserts, and forests. This route is significant for both transportation and tourism, connecting various provinces and offering access to natural attractions like Los Glaciares National Park and Nahuel Huapi National Park. National Route 40 is often celebrated for its scenic views and is a popular choice for road trips among locals and visitors alike.