You can make visits throughout the year, only guides authorized by the Department of Tourism Malargüe. They develop, included activities such as trekking, photographic safaris, wildlife watching, 4x4 authorized paths and horseback riding. For provincial routes 186 and 183, there are countless internal roads that cross the reserve Payunia. A strange desert landscape characteristics. The Payunia, is an area of ??suggestive beauty, and recreates the feeling of being at what was originally the land. Transit through the slag heaps of Mount St. Mary, by the Pampas Black or around that volcano is perfect Flat Payún. Lonco Cow is a fantastic experience. The offer landscape and the diversity of life that exists in this place is amazing. Declared "Protected Area in 1988, with the Total Reserve statement, which reaches an area of ??450,000 ha. Itself is characterized as a transition zone between the mountain Phytogeography and Patagonia. The landscape is characterized by the features of what was an intense volcanic activity. The terrain is extremely rough and difficult near the Payún Matrú. To the south, between the Payún Matrú and the Rio Grande, they are a series of smaller volcanoes. Highly fragmented lava has formed an attractive black sand, known as Black Pampas. The ground is strewn with a type of pyroclastic volcanic bombs known as regionally, which are chunks of lava that fell in liquid or paste and, on cooling, took curious forms. The volcanoes that stand out are the Payún Matrú (Aboriginal language: Beard or face bastard) and Smooth Payún. The latter is, with 3,715 meters, the highest in the region. Its crater is 400 m in diameter and 90 deep. The flora of Payunia is represented by the scrub, grassland and forest species and Patagonia: colimalil (yellow firewood), tussock, mellow, black solupe, retamillo, pichanillo, goat horn, carob (entity 500 and 1300 m), Pataguilla, molle and jarillas (between 1800 and 2850 m) In terms of fauna, of the 70 species recorded in the Payunia, 37 are considered high probability of sighting. Some examples are the four-eyed frog, the condor, the puma, the Matuasto chestnut, armadillo lizard tail, the yarará ñata, choique pony, the eagle, the vulture head red, horned plover, the calender Patagonian chinchillas, gray fox, Patagonian piche and guanaco. The latter species highlighted by presenting a large population. The approach is controlled by considerárselas very vulnerable.
The Provincial Reserve Payunia Payún or Payén, is located south of the province of Mendoza, the reserve is accessed through Route 40 and then along Provincial Route 186, at 160 km from the capital city Malargüe Department namesake. With over 800 cones, Payunia is the region with the highest density of volcanoes. Its main attraction is given by the vast plains of lava volcanic cones, highlighting the Matrú Payún shows Mendoza Patagonian ecosystem. There basaltic flows and pyroclastic fields of different colors, form a scenery cuasilunar.