Península Valdés is a protected natural area that has been pronounced World Natural Heritage by UNESCO in 1999.
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It is a headland of 4,000 km² that sticks out about a hundred km into the Atlantic Ocean, with many gulfs, rocky cliffs, and shallow bays with marked differences in tides, sandy beaches, and islands. It is attached to the continent by a 25km long strip of land: the Ameghino Isthmus.

Because of its unusual geographic characteristics, the peninsula has become exceptionally valuable. It has been chosen as a reproductive territory by a number of sea mammals and sea birds, thus concentrating such a biodiversity that certainly makes it the main attraction on the Patagonia coastline.

Its gulfs shelter an important school of Southern Right Whales; 50% of this kind of whales around the world reach our clear and calm waters every year. Here there are colonies of elephant-seals, sea-lions and penguins as well.

The orcas (or killer whales)of this area have developed a unique hunting method adapted to the features of the local shores. Birds and land mammals also dwell in this Protected Area, a nature sanctuary.