Paso del Planchón, also known as Paso Internacional Vergara, is an international high mountain pass at an elevation of 2.515m (8,251ft) above the sea level, located in the Andes mountain range, on the border between Argentina and Chile.
The road over the pass is gravel. It has sandy sections too. It’s very steep. On the Argentinian side, the road is called Ruta Provincial 226. On the Chilean side it’s called Ruta Nacional N° 145. The pass links the municipalities of Malargüe (Argentina) and Curicó (Chile).
It’s a real challenging road and a true test of your vehicle and your stamina because the road abounds in twists and turns with wheels sometimes hanging above the precipice. The pass is closed in winters because the poor maintenance.
The climb is simply terrible. It has a well-deserved reputation for being dangerous because of unpredictable snowstorms and blizzards, and driving under these conditions, can be extremely challenging. The air dryness and the oscillation of temperatures that takes place during the day and night is one of the features of this area. Day is warm by direct sun and nights are extremely cold.