Two landmark projects include the Cuesta de El Portezuelo road and the San Francisco Pass, which improved links between both sides of the rugged Ancasti range, and facilitated commerce with neighboring Chile, respectively.
Located in Chilecito, a town located high in the Pampas Sierras of La Rioja Province, the property originally belonged to William Treloar, a British mining engineer who purchased it as a retirement property in the late 19th century.
In the Province of Cordoba, the mountain range of Sierras Grandes acted as a barrier dividing the territory and hampering communications between populations located east and west of the summits of Achala.