To carry out this trekking of a hour of duration you will go to the Refuge Neumeyer that is to 20 Km. of Bariloche, by the R.N N º 258, with address to El Bolsón.
After traveling 8 Km. for the mentioned route, you will have to turn to the left for the one on the way to earth that will drive you to the Valley of the Challhuaco, where the refuge is summoned.

From the city you will have the possibility to hire the transfer with guide who will carry out an interpretive chat for the region that you will be visiting.
Already in the refuge you will have to take the path signalled with panels or references red color that are on the right of the refuge. To be filled the lungs with pure air is a good action before giving beginning to the adventure.

At the beginning of the trekking you will go up important hills. Calmly take it, since 200 ascent meters will wait for you until giving with the Green Lagoon.

As you traffic for the excellent path you will go seeing different natural formations that the guide will explain to you.

You will cross lengas knots on these trees, which are defenses of the plant, against the parasite Llao llao. You will be surprised to the knowledge that the tree makes kind of a by pass in its sap glasses to neutralize the parasite.

You will learn about the age of the vegetable species that will be present along almost the whole day. You will know that the flat bark belongs to young trees, while the rough ones indicate old trees that can date of more than 300 years.

The lichen that you will see that it hangs on the trees calls himself Beard of the Old one or of the Devil and it will be the indicator of the grade of purity of the oxygen of the place, since only it is developed in places without contamination.

The guide took one of the wood thrown on the path and it will leave it to show you the work that carry out the worms what is already rotten to break down. The intelligent nature has everything controlled.

You will continue the walk, but you won't feel tired, since you will be knowing details atrapantes of the life of the forest.

You will see trees all holed, here you will notice of the work of the birds carpenters that you/they inhabit the region. You will understand that they make the hole in search of worms that are their food. In this forest you will be able to see the Real Carpenter, the Bataraz or the Pitio.

The forest will diminish its intensity, you will cross a mallín and to scarce meters you will find the Green Lagoon.

This beautiful mirror of water, is located almost on the end of the walk. And important s that you know that cannot take a bath in the lagoon, neither to revolve their water, because in her inhabits the “frog of the Chalhuaco” that is a strict endemic species, discovered in 1973 and is only it in the high basin of this valley. To be highly vulnerable it is that this forbidden one to take a bath in the place.

After carrying out a stop in the lagoon, they will subtract you 10 minutes of walk to find the Mirador of the Stony one.

Once there, you will be able to observe the impressive panoramic that gives himself visible. From this point you will be able to see to the lake Nahuel Huapi, the city of San Carlos from Bariloche and much more.

You will notice that among the rocks of the place, they leave flowers of different colors, among those that you will highlight to the violas.

After some minutes of view and of the most amusing photographic takings, you will undertake the return to the refuge and to restore energy with a delicious typical plate, stops then to give beginning to another walk, to a new adventure.