The montes, by which are understood plantations as well as native thickets, produce among other woods the algarrobo, a poor imitation of oak; the guayabo, a substitute for boxwood; the quebracho, of which the red kind is compared to sandalwood; and the urunday, black and white, not unlike rosewood.
Parakeets are plentiful in the montes, and the lagoons swarm with waterfowl.
From Montes Claros, in the valley of the Verde Grande River, and attracted large numbers of miners.
The district of the Trasos-Montes, north of the Douro, about the Tamega, Tua and Sabor, was so rugged that Wellington was convinced that Joseph would expect him to advance by the south of the river.
Its culminating point is in the Montes Pyreneos, near the city of Goyaz, and is about 4500 ft.