Colonia is the richest and most important department of all in the Republic. Lying to the west of San José, it has the advantage not only of railways but of a lengthy coast-line on the River Plate. Agriculture here has attained to a high pitch of development, and dairy-farming constitutes one of the most important industries of the department. Fruit culture and viticulture are in an equally advanced condition, while the quarrying of building stone is now being energetically carried on. In Colonia is situated the Swiss Colony, the inhabitants of which apply themselves to agriculture and dairy-farming.
Soriano lies to the north of Colonia, and its western boundary is likewise washed by the waters of the river—no longer the River Plate, but the Uruguay. The area of the department is 9,223 kilometres, and its population rather exceeds forty thousand. Soriano is connected by railway with Montevideo. Its chief town is Mercedes, the population of which amounts to ten thousand inhabitants. The principal industry is pasture, although agriculture and general fruit-growing is carried on to a certain extent. Timber, charcoal-burning, and stone-quarrying are responsible for a certain amount of labour. A fair quantity of minerals such as iron, silver, copper, and lead is met with here.
Rio Negro is situated on the Uruguay River to the north of Colonia. Its area is 8,470 kilometres and its population twenty thousand. The department is now in the act of being linked up with the main centres by railway. Its capital is Fray Bentos, a town celebrated as one of the chief centres of the manufacture of meat extract, with a population of seven thousand inhabitants. Rio Negro is essentially a pastoral province, and is the chief centre in the Republic for the breeding of live stock, which attains here to an exceptionally high grade of quality. Rio Negro is one of the most favourably situated departments as regards water communication. In addition to its 120 kilometres of coast-line on the Uruguay it possesses 200 kilometres of river frontage on the River Negro.
Paysandú bounds Rio Negro to the north, with a lengthy frontage on the Uruguay River. Its population is forty thousand, of which twenty-one thousand inhabit the capital, Paysandú, the second town of importance in Uruguay. The area of the department is about 14,000 square kilometres. Paysandú is connected by railway both with the capital and the northern centres. Its industries are chiefly pastoral and agricultural, and a number of meat-curing establishments exist.
Salto is the neighbouring province to the north upon the River Uruguay. It contains an area of 12,500 square kilometres and a population of rather over fifty thousand. Its chief town is Salto, that in actual size is said to exceed that of Paysandú, numbering as it does rather over twenty-two thousand inhabitants. The department is served by railway. The principal industry is that of pasture. The department, moreover, is one of the chief wine-producing centres of the Republic. Salto is rich in minerals, and quartz and precious stones are met with in fair quantities here.
Artigas is the northernmost province on the Uruguay as well as in the Republic. Its area is 11,300 square kilometres, its population thirty thousand. Its capital is San Eugenio, situated on the Brazilian frontier, a town of nine thousand inhabitants. The railway runs as far as this point, and thus serves the length of the province. Artigas contains many districts notable for minerals, and is well endowed with precious stones such as the amethyst and topaz. Owing to the northern situation of the department grazing and agriculture are carried on to a lesser extent than in the majority of others. The variety of timber is important here, hard woods being found as well as the softer varieties.
Tacuarembó is situated in the northern centre of the Republic. That is to say, its frontiers extend from the centre to within a comparatively short distance of the Brazilian frontier. The department is the largest in Uruguay, its territories extending over more than twenty-one thousand square kilometres. Its population, however, does not exceed fifty thousand, and it is thus the most sparsely inhabited department of the country. It is served by a railway. The principal town is San Fructuoso, which possesses eight thousand inhabitants. Tacuarembó is for the most part devoted to agriculture. Tobacco flourishes in the province, and recent experimental rice plantations have met with a fair amount of success. Gold and manganese are met with in various districts.
Rivera is bounded on the south by Tacuarembó and on the north by Brazil. It is a fairly extensive department containing comparatively few inhabitants, but the precise figures of neither the one nor the other seem available. The chief town of the department is Rivera, a city situated on the Brazilian frontier that has a population of ten thousand. The industries of Rivera are similar to those of Tacuarembó. The gold mines here are of considerable importance, and are in active working. The department is served by railway, Rivera being the northernmost Uruguayan point of the line from Montevideo.
Cerro Largo is situated on the south-east of Rivera, and is bounded on the north-east by Brazil. The area of the department is nearly fifteen thousand square kilometres; population about forty-five thousand. Its capital is Melo, a town of fourteen thousand inhabitants. It is the terminus of a recently constructed railway-line, the entry of which into the country has had the effect of benefiting local commerce to a considerable extent. The principal industry is pastoral, but, in addition, a certain amount of agriculture is carried on.
Treinta y Tres, which lies to the south of Cerro Largo, possesses an area of 9,550 square kilometres and a population of thirty thousand. It has not the advantage of being served by any railway, although this will shortly occur. The principal town is Treinta y Tres, whose inhabitants are about eight thousand in number. Up to the present time the pastoral industry predominates here, that of agriculture being scarcely known. It is anticipated, however, that the coming development of the province will alter this condition of affairs. The department is well wooded, and the timber industry here is an important one. Treinta y Tres is bounded on the east wholly by the great Lake of Merin, upon the further shore of which lies Brazil.