The Cordillera de Sama Biological Reserve / Reserva Biológica Cordillera de Sama lies to the west of Tarija City in Tarija Department in the far south of the country. It covers 108,000 hectares and protects Central Andean puna, dry and semi-dry inter Andean valleys and forest habitats. It's most notable features are the altiplano lakes of the Tazjara basin which is also a designated Ramsar Wetland Site. These and many of the streams and rivers that descend from the mountains provide much of the water for the city of Tarija. The Reserve also contains various archaeological sites, the best known of which is a well preserved section of Inca Trail.