Location: It is located in the northeast of Santa Cruz province, in the Puerto Deseado Department. The nearest village is Jaramillo. From Jaramillo to the Natural Monument there is a 135 km distance.
Surface: It has a 13.700 hectares surface.
Created: It was created in 1954.
Vegetation:150 millions of years ago, the protected area´s climate was very wet. There were dense forests with big trees. Some important species were the “ pehuenes” or “araucarias”. In the cretacic period beginning, the volcanic eruptions –that coincided with the mountain chain raising- buried a big part of the patagonic territory, with ashes and lava. A lot of these forests were petrified. They conform the MN Bosques Petrificados (Bosques Petrificados Natural Monument).
Animals: grey fox, zools, chingolos, agachonas, comesebos, piche patagónico, choique or ñandú petiso.