The Ventana System (Sierras de la Ventana)
The Ventana System (Sierras de la Ventana) is one of two mountain ranges in Buenos Aires Province, and one of the only two located within the Pampas ecosystem.
Its climate is rather colder and drier than that prevailing in the surrounding Humid Pampas, though the range receives more rainfall than the Semi-arid Pampas, located to the west. Sizable extensions of lacebark pines grow along the range, possibly introduced from Asia.
Peppered by caves and grottoes, the range is relatively modest in height and extension, and exceeds 1000 m (3280 ft) at only six points. These peaks are: