 By between 27 and 30 July, the Spanish defenses were overcome and Moncey turned his divisions northward to follow the Bidasoa to the Atlantic coast.The number of French and Spanish killed and wounded is unknown, but the French captured 200 Spaniards and four artillery pieces.Emerging from the mountains on 1 August, Moncey fell upon the Spanish coastal defenses from the flank and rear with 12,000 men, capturing the San Marcial heights southeast of Irun and Hondarribia (Fuenterrabia).