16 May 1813
The Spanish CinC issues order to 1st and 2nd armies to move on
15 May 1813
4th French corps leave Barcelona
At first light 4th corps depart from Barcelona and enter the mountains on their way to Lerida. By midday 15th corps commence their move from Girona to Barcelona. 5th corps at Tarragona are ordered to increase their patrols both north and south of the city.
By nightfall Copons is aware of the French activity. Orders are issued for 4th army to shadow 15th corps as it moves west, but not to engage them. The remainder of the Spanish armies will wait until 4th corps is well into the mountains before they start their move on Tarragona.