Lord Wellington thus designed his battle. General Hill, leaving Minas four battalions on the Gorospil mountain facing the rocks of Mondarin, moved in the night by the different passes of the Puerto de Maya, Morillo’s Spaniards being to menace the French on the Choupera and Atchuleguy mountains, the second division to attack Ainhoa and Urdax. The sixth division and Hamilton’s Portuguese were to assault the works covering the bridge of Amotz, either on the right or left bank of the Nivelle according to circumstances. Thus the action of twenty-six thousand men was combined against D’Erlon’s position, and on their left Beresford’s corps was assembled. The third division under general Colville, descending from Zagaramurdi, was to move against the unfinished redoubts and entrenchments covering the approaches to the bridge of Amotz on the left bank of the Nivelle, thus turning D’Erlon’s right at the moment when it was attacked in front by Hill’s corps. On the left of the third division, the seventh, descending from the mouth of the Echallar pass, was to storm the Grenada redoubt, and then passing the village of Sarre assail Clauzel’s main position abreast with the attack of the third division. On the left of the seventh, the fourth division, assembling on the lower slopes of the greater Rhune, was to descend upon the redoubt of San Barbe, and then moving through Sarre also to assail Clauzel’s main position abreast with the seventh division. On the left of the fourth division, Giron’s Spaniards, gathered higher up on the flank of the great Rhune, were to move abreast with the others leaving Sarre on their right. They were to drive the enemy from the lower slopes of the smaller Rhune and then in concert with the rest attack Clauzel’s main position. In this way Hill’s and Beresford’s corps, forming a mass of more than forty thousand infantry were to be thrust, on both sides of the bridge of Amotz, between Clauzel and D’Erlon to break their line of battle.