either sides of the boarder. It is mountain gravel road. Same road leads you to Paso de Agua Negra, right on the Chilean-Argentinian border. The road is open only in summers (December to April). This road has humbled many egos.
Embalse la Laguna is a high mountain reservoir at 3.180m (10,433ft). Road to the reservoir is called Ruta 41. Attempt to ride only if you are experienced enough. Appart of the known difficulties like sand, gravel, high altitude, low temperatures, count as well the extra long distance you need to cover to reach the nearest town in