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Travelling through Cuyo
In this region, the National Road N° 40 crosses vineyards and wineries, going through the provinces of La Rioja, Mendoza and San Juan. Cuyo is characterized by endless lines of poplars aligned with roads, protecting the crops from the dry and warn Zonda wind.
Near Bardas Blancas, in the south of Mendoza, the road passes very near from the Cave of the Witches, a labyrinth of karst formation caves and beautiful stalactites. Reaching Malargüe, it surrounds the largest existing astral-physic observatory.
The Maipú Volcano, in the Argentine-Chilean border, at Mendoza’s West, falls over the mirror of the Diamante Lagoon. This hidden and beautiful region can be accessed both from the new and the old Road Nº 40. In San Juan, it can be found one of the youngest artificial water reservoirs: Cuesta del Viento, a few steps from the Road.
Located on Parallel 30, this reservoir has become an international windsurf center, due to its strong and constant winds. From Iglesia and Pismanta towns, with their famous thermal baths, there is a national road that crosses to Chile - from San Juan to La Serena - at the high path of Agua Negra (4.765 m.). It passes by extended ice needle fields, called "Penitentes".
In La Rioja, the Road Nº 40 connects - by means of the Miranda Slope - the La Rioja plains with the Bermejo River Valley, going through an amazing scenery dominated by three colors: the red of the rocks, the green of the vegetation and the blue of the sky.


