At the end of the plain the barren mountains of San Luis rose abruptly, and seemed to form a barrier to farther progress. We entered a narrow cleft in the chain, and wound through it for an eighth of a mile, the voices of the drivers echoing among the rocks with fine effect. But great was my surprise when we passed from the defile to an elevated plain, to see stretched out below us the town of San Luis, with its white plastered dwellings, half hidden, and shaded by tall rows of poplars, and groves of green willows. It brought to mind the days of the conquest, so finely described by Prescott, and I pictured the city below me as another Cuzco, inhabited by the children of the Incas.

But this was not all. Another sight caught my eye, and filled me with joy. Far in the distance a dim, blue line, pencilled upon the heavens, told me that I had obtained my first view of the Andes—that mighty range of mountains which traverses two continents and a dozen countries, though known by different names.

What emotions were aroused within me as I gazed at that faint streak that seemed floating in the air, for below it all was enveloped in clouds! What visions it awoke of steep precipices, dark gorges, and rushing streams of water falling in cascades from heights unattainable by man! I pictured myself in the act of toiling up a narrow path, or sliding down the sides of a cerro on the snow. I longed to be there, and wondered whether from the lofty summit of the Cordillera I should be able yet to gaze upon the distant waters of the great Pacific.

Above the hazy line two points arose into the clearer heavens, and from their sublime appearance particularly attracted my attention. The highest of these peaks, which lies to the north of west of Mendoza, was the famed Aconcagua, which, rising above the line of eternal snows, attains an elevation of twenty-three thousand nine hundred feet: higher by two thousand five hundred feet than that monarch of the Andes, Chimborazo. The other peak lies to the south of Aconcagua, and runs up sharply into the heavens. It has been measured by a recent traveller, who gives it an elevation of twenty-two thousand four hundred and fifty feet above the level of the sea, or not so high as Aconcagua by fourteen hundred and fifty feet.

As I viewed the distant picture with enthusiasm, the caravan that came lumbering behind was forgotten, until a rough shake, and the words, “Esta dormiendo?” aroused my attention. Looking around I beheld the grinning features of the capataz, who exclaimed, “La Cordillera de los Andes, que cosa tan rica!” (The Cordillera of the Andes, what a rich thing!)

As we descended to the town, a party of equestrians, male and female, passed on the canter, and entered before us. The caravan encamped alongside the mud wall that defended the property of the inhabitants, and I remarked that the women who visited the troop did not come as venders of produce, but as visitors. These females were gayly and tastefully dressed, but their morals were questionable. As there were no seats near the fire, our capataz gallantly offered one of the fair visitors his hat for a substitute; but she, with the others, preferred their own mode of sitting, and squatted, à la Turque, upon the sand, where they made themselves sociable, and when supper was ready joined in the meal, eating their meat without knives or forks, but using their fingers instead.

San Luis is the largest town upon the road from Rosario to Mendoza. It is the capital of the province of the same name, and contains about two thousand inhabitants. This place has varied greatly in its population within the present century. In 1825 it had two churches, now it has but one, and this, I afterwards learned, was not well supported—which fact accounts for its being so immoral a place.

For many years San Luis had been governed by an old, ignorant fellow, just such a man as Rosas was accustomed to place over the interior provinces, in order that they might remain in a degraded state, and thus be more submissive to his power. A new governor, a man of education and energy, had taken the place of the old one just removed, and under his influence it was hoped that the condition of the people of the province might be improved. Formerly a tax of five dollars was imposed upon every cart that passed through the province, but it has been lowered to a more reasonable sum.

No town on the pampas has suffered from the depredations of Indians as San Luis. While I was in San Juan, two or three months later, I became acquainted with several Puntaños, as the people of this place are called, and from them received much information regarding these encroachments.

The Indians usually surprise the town about an hour before daybreak, and not only seize what property they can remove, but also carry off into captivity the wives and sisters of the male portion of the inhabitants. While one party is engaged in sacking the town, another party drives off all the mares they can find, as mare’s flesh is used as food among them, and if they take horned cattle, it is only to sell them to Chilenos, who cross the Andes by the most southern pass—the Planchon. Great numbers of women and children have been carried off during these frays.