Dupont's corps primarily fielded of second-line forces of a distinctly unimpressive character. These second-line troops, originally raised as provisional or reserve formations, had been intended either for
internal police services or garrison duty in Prussia—evidence that Napoleon intended the Spanish campaign to be "a mere
promenade." This force approached
Córdoba in early June and in their first formal battle on Andalusian soil,
captured the bridge at Alcolea, sweeping past the Spanish troops under
Colonel Pedro de Echávarri that attempted to block their progress. The French entered Córdoba that same afternoon and ransacked the town for four days. However, in the face of increasingly menacing mass uprisings across
Andalusia, Dupont decided to withdraw to the
Sierra Morena, counting on help from Madrid. The French retreated in the sweltering heat, burdened with some 500 wagons of loot and 1,200 ill. A French
surgeon remarked: "Our little army carried enough baggage for 150,000 men. Mere captains required wagons drawn by four mules. We counted more than 50 wagons per battalion, the result of the plunder of Córdoba. All our movements were impeded. We owed our defeat to the greed of our generals." "Récit du Docteur Treille" in Larchey, p. 1: "Notre petite armée avait plus de bagages qu'une armée de 150,000 hommes. De simples capitaines et des civils assimilés à ce grade avaient des carrosses à quatre mules. On comptait au moins cinquante chariots par bataillon; c'étaient les dépouilles de la ville de Cordova. Nos mouvements en étaient gênés. Nous dûmes notre perte à la cupidité des chefs." General
Jacques-Nicolas Gobert's division set out from Madrid on 2 July to add weight to Dupont's expedition. However, only one brigade of his division ultimately reached Dupont, the rest being needed to hold the road north against the guerrillas.
Reinforcements across the Sierra Napoleon and the French strategists, anxious about their communications with Bayonne and wary of a British descent upon a
Biscayan coast already in open revolt, initially prioritized operations in the north of Spain. In mid-June General
Antoine Charles Louis Lasalle's victory at
Cabezón simplified matters tremendously; with the Spanish militias around
Valladolid destroyed and much of
Old Castile overrun, Savary shifted his gaze south and resolved to reopen communications with Dupont in Andalusia. Apart from the menace in the north, Napoleon was most anxious to secure the Andalusian provinces, where the traditional, rural peasantry was expected to resist Joseph's rule. On 19 June Vedel, with Dupont's 2nd Infantry Division, was dispatched south from Toledo to force a passage over the
Sierra Morena, hold the mountains from the guerrillas, and link up with Dupont, pacifying
Castile-La Mancha along the way. Vedel set out with 6,000 men, 700 horse, and 12 guns, joined during the march by small detachments under Generals Claude Roize and
Louis Liger-Belair. The column raced across the plains, encountering no resistance, although stragglers were seized and cut down by the locals. Reaching the sierra on 26 June, the column found a detachment of Spanish regulars, smugglers, and guerrillas with six guns under Lieutenant-colonel Valdecaños blocking the Puerta del Rey. Napier assigns a strength of 3,000 men to the Spaniards, but claims their colonel defected to Vedel. Vedel's troops stormed the ridge and overran the enemy cannon, losing 17 dead or wounded. They then pushed south over the mountains toward
La Carolina. The next day they encountered a detachment of Dupont's troops preparing to attack these same passes from the south side. With this junction, communications between Dupont and Madrid were reestablished after a month of silence.
Confused orders Vedel carried new orders from Madrid and Bayonne: Dupont was instructed to stop his march on Cádiz and fall back north-eastwards on the mountains (a
fait accompli), watching the Spanish movements in Andalusia while awaiting the reinforcements to be released upon the capitulation of
Zaragoza and
Valencia. These capitulations never came. For a time Marshal Moncey was simply nowhere to be found; at length his
defeat at the gates of Valencia surfaced; some 17,000 Spaniards under the Conde de Cervellón massed victoriously around that city as Moncey gave up in disgust, having lost 1,000 men in a vain attempt to storm the walls. Suddenly, all prospects evaporated of Moncey's corps pivoting west from Valencia toward
Granada and coupling with Dupont in a
two-pronged invasion of Andalusia. Nor were troops forthcoming from
Aragon, as
Zaragoza shook off repeated French assaults and vowed to fight to the death. Meanwhile, Savary set to work preparing for the arrival of Joseph in his new capital. Many of the scattered French formations were drawn back around Madrid for security; Dupont would remain close at hand to succour the capital if Bessières' campaign in the north took a turn for the worse and Spanish armies appeared on the horizon. Yet at no time was Dupont's Andalusian expedition altogether scrapped. Savary continued to issue vague orders promising reinforcements at an undisclosed date while Napoleon fumed at the prospect of abandoning even
Andújar to the Spaniards. With events hanging in the air, Dupont chose to hold his ground along the
Guadalquivir, sacking and occupying the town of
Bailén and the provincial capital of
Jaén, instead of completing his retrograde movement to the strong positions atop the sierra's defiles. Napoleon wrote lightly, "even if he suffers a setback, ... he will just have to come back over the Sierra."
Spain prepares On learning of the French incursion into the southern provinces, General
Francisco Javier Castaños, guessing Dupont's intentions, prepared to entrench his army in a fortified camp across from the strongpoint of Cádiz, but Dupont's retrograde movement rendered these precautions unnecessary. Setting up a
general headquarters in
Utrera, Castaños organized the Army of Andalusia into four divisions under Generals
Theodor von Reding,
Antonio Malet, Marquis of Coupigny (whose staff included
a young San Martín, then a captain in the Spanish Army),
Félix Jones, and a fourth (Reserve) under
Manuel Lapeña, whose division included Colonel
Juan de la Cruz Mourgeón's column of some 1,000 skirmishers, armed peasants, and other
light infantry.
Stalled on the Guadalquivir While Dupont lingered at Andújar with two divisions (Generals
Gabriel Barbou des Courières and
Maurice Ignace Fresia), attempting to master the strategic Madrid—Seville highway and the wide plains which it crossed, Castaños' four divisions advanced steadily from the south and guerrillas from Granada marched to bar the road to the sierra and La Mancha beyond. Vedel's division was posted east to Bailén with a view to guarding these nearby mountain passes and on 1 July Vedel was forced to dispatch a brigade under General
Louis Victorin Cassagne to curb the advance of the guerrillas on
Jaén and
La Carolina, stretching the French line still further east. Meanwhile, General
Liger-Bélair, with 1,500 men, moved into a forward post at
Mengíbar, a village on the south bank of the Guadalquivir. At Andújar a tower by the river was fortified and small
field works constructed on the south bank to forestall an enemy crossing, but, the Guadalquivir being fordable at so many points, and open to fire from the surrounding hills, Dupont's defences did not inspire much confidence. Cassagne, after driving the guerrillas off in rout, returned to Bailén on 5 July with 200 dead or wounded and nothing to show for his exertion—the Spaniards having plundered the towns of all provisions. Glimmers of the long-promised reinforcements appeared at last: Generals Gobert and Jacques Lefranc passed the Puerta del Rey on 15 July, leaving behind a strong garrison in the Morena, and descended into Andalusia with their remaining infantry and
cuirassiers. Dupont now had over 20,000 men idling along the Guadalquivir while the Spaniards massed and approached. But supplies were scarce and the Spanish peasants had deserted their fields, obliging Dupont's wearied men to bring in the harvest, grind the grain, and bake their own rations; 600 men fell ill during their fortnight's stay by drinking the putrid waters of the Guadalquivir. According to French testimony, "The situation was terrible. Every night, we heard armed peasants roaming around us, drawn to our goods, and every night, we expected to be assassinated." Larchey, p. 4: ''La situation était terrible. Chaque nuit, nous entendions les paysans armés rôder autour de nous, alléchés qu'ils étaient par l'espoir du butin, et chaque nuit, nous nous attendions à être assassinés''.
Early fighting On 9 July, Napier gives the date as 1 July General Lapeña's division took up a position extending from El Carpio to
Porcuna and the Army of Andalusia began a number of demonstrations against the French. From west to east along the Guadalquivir, Castaños with 14,000 men in two divisions (Lapeña and Jones) approached Dupont at Andújar, Coupigny advanced his division to Villa Nueva, and Reding prepared to force a passage at Mengíbar and swing north to Bailén, outflanking the French and cutting Dupont's line of retreat to the mountains. Marching east to Jaén, Reding delivered a strong attack against the French right wing between 2 and 3 July, sending the 3rd Swiss regiment into the teeth of Cassagne's brigade. The Spaniards were forced back (losing 1,500 casualties according to
Maximilien Sebastien Foy), but the isolated French brigade felt its danger and, on the 4th, Cassagne fell back over the Guadalquivir to Bailén, leaving only a few
companies to guard the ferry at Mengíbar. Reding assaulted Mengíbar anew on 13 July and drove Ligier-Belair from the village after a hard fight; at the appearance of Vedel's division, however, the Spanish column quietly drew back and French infantry reclaimed the town. The next day Coupigny tested the grounds at Villa Nueva and engaged the French piquets opposite him in a sharp skirmish. Castaños reached the heights at Arjonilla on 15 July and, setting up a battery on a ridge overlooking Andújar, opened fire on Dupont. At the same time, 1,600 4,000 skirmishers and irregulars under
Colonel Cruz-Mourgeón forded the river near
Marmolejo and attacked towards Dupont's rear, but were handily repulsed by a French battalion and dispersed into the hills. Alarmed by this show of force, Dupont called on Vedel to release a battalion or even a brigade to his assistance, and Vedel, judging that Mengíbar was not seriously threatened, set out in the night with his entire division. The arrival of Vedel with this sizeable force put an end to the threat at Andújar but gravely imperilled the French left wing (Mengíbar—Bailén—La Carolina), leaving Ligier-Belair seriously denuded of troops in his fight against Reding. ==Battle==