The principal rivers entering the Mediterranean directly are the Nile from Africa, and the Po, Rhone and Ebro from Europe.
Of the city of Tarragona, on the river Ebro 22 M.
The city is connected with Barcelona and Valencia by the coast railway, and with Saragossa by the Ebro valley line; it is also the terminus of a railway to San Carlos de la Rapita on the Mediterranean.
Under the Moors it was of great importance as the key of the Ebro valley.
On the 26th of October 1808, when Moore's troops had left Lisbon to join Baird, the French still held a defensive position behind the Ebro; Bessieres being in the basin of Vitoria, Marshal Ney north-west of Logrono, and Moncey covering Pampeluna, and near Sanguessa.
Once more Wellington turned his right, by a sweeping movement through Rocamunde and Puente Arenas near the source of the Ebro, when he retreated behind the Zadorra near the town of Vitoria.
Pamplona has a station on the Ebro railway connecting Alsasua with Saragossa.
Yet by the beginning of June 1835 he had made the Carlist cause triumphant to the north of the Ebro, and had formed an army of more than 30,000 men, of much better quality than the constitutional forces.
EBRO (anc. Iberus or Hiberus), the only one of the five great rivers of the Iberian Peninsula (Tagus, Douro, Ebro, Guadalquivir, Guadiana) which flows into the Mediterranean.
The Ebro rises at Fuentibre, a hamlet among the Cantabrian Mountains, in the province of Santander; at Reinosa, 4 m.
It flows generally east by south through a tortuous valley as far as Miranda de Ebro, passing through the celebrated Roman bridge known as La Horadada ("the perforated"), near Ona in Burgos.
In its length, approximately 465 m., the Ebro is inferior to the Tagus, Guadiana and Douro; it drains an area of nearly 32,000 sq.
The Ebro and its tributaries have been utilized for irrigation since the Moorish conquest; the main stream becomes navigable by small boats about Tudela; but its value as a means of communication is almost neutralized by the obstacles in its channel, and seafaring vessels cannot proceed farther up than Tortosa.
Below Tudela, to El Burgo de Ebro, 5 m.
From Miranda to Mora the Bilbao-Tarragona railway follows the course of the Ebro along the right bank.
In 798 he had concluded an alliance with Alphonso II., king of the Asturias, and a series of campaigns mainly under the leadership of King Louis resulted in the establishment of the " Spanish march," a district between the Pyrenees and the Ebro stretching from Pampeluna to Barcelona, as a defence against the Saracens.
Thus the emperor's dominions now stretched from the Eider to the Ebro, and from the Atlantic to the Elbe, the Saale and the Raab, and they also included the greater part of Italy; while even beyond these bounds he exercised an acknowledged but shadowy authority.
It is separated from Logrono by the river Ebro, and its other rivers are the Zadorra and the Ayuda.
Aragon is divided by the river Ebro, which flows through it in a south-easterly direction, into two nearly equal parts, known as Trans-ibero and Cis-ibero.
The Ebro is the principal river, and receives from the north, in its passage through the province, the Arba, the Gallego and the united waters of the Cinca, Esera, Noguera Ribagorzana, Noguera Pallaresa and Segre - the last three belonging to Catalonia.
In 1529, but remained unfinished for nearly two hundred years, extends from Tudela to El Burgo de Ebro, a distance of 80 m.; it has a depth of 9 ft., and an average breadth of 69, and is navigable for vessels of about 80 tons.
The Royal Canal of Tauste, which lies along the north side of the Ebro, was cut for purposes of irrigation, and gives fertility to the district.
There are, however, extensive oak, pine and beech forests in the highlands, and many beautiful oases in the deeply sunk valleys, and along the rivers, especially beside the Ebro, which is, therefore, often called the "Nile of Aragon."
The principal rivers are the Ter, the Llobregat, and the Ebro, which all run into the Mediterranean.
Andalusia consists of a great plain, the valley of the Guadalquivir, shut in by mountain ranges on every side except the S.W., where it descends to the Atlantic. This lowland, which is known as Andalucia Baja, or Lower Andalusia, resembles the valley of the Ebro in its slight elevation above sea-level (300-400 ft.), and in the number of brackish lakes or fens, and waste lands (despoblados) impregnated with salt, which seem to indicate that the whole surface was covered by the sea at no distant geological date.
Three great rivers, the Douro, which traverses Old Castile, with the Tagus and Guadiana, which respectively drain the central and southern regions of New Castile, flow westward into Portugal, and finally reach the Atlantic; while the Ebro, which rises in the north of the kingdom, skirts the north-eastern frontier on its way to the Mediterranean.
The Murabti power was at its height at Yusef's death, and the Moorish empire then included all North-West Africa as far as Algiers, and all Spain south of the Tagus, with the east coast as far as the mouth of the Ebro, and the Balearic Islands.
Of Seville; Alcala del Jucar (2968), on the Jucar, in Albacete; Alcala de la Selva (1490), on the southern slopes of the Sierra del Gudar, in Teruel; Alcala de la Vega (712), on the river Cabriel, in Cuenca; Alcala de Gurrea (632), on the river Seton, in Huesca; Alcala del Obispo (432), in the same province; Alcala de Ebro (388) and Alcala de Moncayo (367), both in Saragossa.
The Llanos de Urgel, which comprise the greater part of southern Lerida, are extensive plains forming part of the Ebro valley, but redeemed by an elaborate system of canals from the sterility which characterizes so much of that region in Aragon.
Alphonso the Battler won his great successes in the middle Ebro, where he expelled the Moors from Saragossa; in the great raid of 1125, when he carried away a large part of the subject Christians from Granada, and in the south-west of France, where he had rights as king of Navarre.
The exports are chiefly iron; the imports coal; large quantities of wine from Navarre and the Ebro valley are also sent abroad, and the importation of timber of all kinds from Scandinavia and Finland, and coastwise from Asturias, is of great importance.
Andorra is surrounded by mountains, and comprises one main valley, watered by the Gran Balira, Valira or Balire, a tributary of the Segre, which itself flows into the Ebro; with several smaller valleys, the most important being that of the Balira del Orien, which joins the Gran Balira on the left.