It visits to the fabulous one Provincial Faunística of Llancanelo, habitat of colonies of aquatic birds, Reserves where will be able to observe their behaviors and to feel it leaves of their natural lacustrine atmosphere.

Circuit of 148 round trip km from Malargüe (here will be able to load fuel), for a consolidated road. Walk of a minimum day, for all season. Take machine photographic, long view and lantern. The access is only allowed with permission.

About 23 kms to the south of Malargüe on the RN40 connect, toward the left, the one in route to Llancanelo (RP186) that goes into toward the east for soft waves.

To the 9 kms the pavement concludes and the landscape changes, near 11 km later on, to the right, it leaves a deviation to The Payunia (The Payén), mysterious highland, not very inhabited today that was domain of the feared aucas formerly.

Continue for the one on the way to the left the steppe that covers of yellow flowers of the mellow ones in spring traveling.

After 21 km of the RN40, to the right, you will be able to enter to the Cave of the Tiger, a cavern of volcanic origin, formed by the escape of gases and magmatic vapors that were trapped when the balsamic material solidified. A later collapse of the roof opened the entrance. It can travel her taking a lantern.

Continue ahead and always take the roads of the left until arriving at the lagoon of Carilauquen (in mapuche, Black lagoon), to 36,5 km of the RN40.

It is a beautiful place covered by green grasses and shadowed by sallows, ideal to camp. You will see a position of goats. The slope has fresh water, but it changes when crossing the saline floor heading for its drainage in Llancanelo.

After 44,5 km it will arrive to a plant of prosecution of raw petroleum in whose parking area suits to leave the car, since in that point the marshy salines begin. Only if the road is dry about 2 more kms can advance in vehicle.

While you walks toward the east, the view extends for a vast plain where they are the lagoon and the hill Trapal, to which will be able to ascend to have an extraordinary panoramic of having contrasted atmospheres:

The hill, populated by impressive cactus of more than 4 m of high, and the lagoon, in the first floor, between cortaderas and totoras.

Of 15 to 20 km wide, it is one of the main Provincial Reservations of the country, where they inhabit more than 90 species of aquatic birds, especially families of swans, ducks. gulls, blue and chorlos.

It is located in one of the routes of migration of more important birds. Here they stop to feed in extensive slime beaches and nidificar in the motley vegetation of the north sector that grows with the fresh water of several slopes.

It is a significant center of reproduction of species that then are distributed by different areas of the world. The birds arrive in all the seasons. There are summery visitors, as the chorlos of yellow paws (Tringa flavires and Tringa melanolenca) that before they have nidificado in America of the North during the spring and the northerly summer.

There is other, winter that have nested in the Patagonia and in The Malvinas, as the plover double necklace (Charadriu'alklandicus) and there are also them residents that come from the north and center of South America, as the showy earwig (Ruscivora tyrannus). The swan black neck, characteristic species of the Argentina , has one of its main concentration centers and reproduction here.

The sector to the north of the hill Trapal Intangible Area has been declared by its delicate ecological balance and it is forbidden to the access of tourists.

Here they inhabit birds so sensitive that only coarse the sound interference caused by the man to make them abandon their nest, being affected the breeding of the year.

The south area can be traveled until the Wells of Shell - excellent for safaris photographic-where will see the birds in the intimacy, enjoying to its wide ones in the crystalline water with having dived, picoteos and trills.

The Reservation is protected by the Address of Parks and Forests of Malargüe. several international entities and the Foundation Life Silvestre Argentina .

To return to the route it uses the same road.