The Natural Reservation Sierra del Tigre is one of the safety pins of Tandil. With its on the way to consolidated rubble of 3,5 km of longitude, it offers excellent panoramics of the landscape and of the city.

The Hill Venado, of scarce 389 meters , is the maximum height of the area.

In the access the Biological Station is to the Reservation, where the Center of Interpretation of the nature works., there it is possible to obtain information about the species that inhabit the place.

Among other rarities that not only surprise the tourist originating of the great city, monkeys carayá cohabit, red partridges, carpinchos, zorrinos, ñandúes pheasants, caranchos, exotic deer, boars, mountain cats, donkeys and lizards, amen of a great variety of snakes of the area.

The prodigal one in vegetation, in the Reservation planted roots poplars, brooms, chilcas, pines, medicinal grasses and pastures.

They also see each other you dig and: stone constructions that were lifted when the area was a great quarry.

For the lovers of the escalade it can be carried out this sport in the Hill Venado and after arriving to the summit to descend carrying out rappel, it is a good possibility to practice that sport near the city of Buenos Aires