A raiding force under Thomas Beaufort, Earl of Dorset, was confronted by a larger French army under Bernard VII, Count of Armagnac at Valmont. The initial action went against the English, who lost their horses and baggage. They managed to rally and withdraw in good order to Harfleur, only to find the French had cut them off. A second action now took place, during which the French army was defeated with the aid of a sally from the English garrison of Harfleur.

The initial action near Valmont

Dorset marched out on his raid on 9 March. He looted and burnt several villages, reaching as far as Cany-Barville. The English then turned for home. They were intercepted near Valmont by the French. The English had time to form a fighting line, placing their horses and baggage to the rear, before the French launched a mounted attack. The French cavalry broke through the thin English line but, instead of turning to finish the English, charged on to loot the baggage and steal horses. This allowed Dorset, who had been wounded, to rally his men and lead them to a small hedged garden nearby, which they defended till nightfall. The French withdrew to Valmont for the night, rather than stay in the field, and this allowed Dorset to lead his men off under the cover of darkness to take shelter in woods at Les Loges. English casualties at this stage of the battle were estimated at 160 killed.

The second action near Harfleur

The following day, the English struck out for the coast. They moved down onto the beach and began the long march across the shingle to Harfleur. However, as they neared Harfleur, they saw that a French force was awaiting them on the cliffs above. The English deployed in line and the French attacked down the steep slope. The French were disordered by the descent and were defeated, leaving many dead. As the English looted the corpses, the main French army came up. This force did not attack, instead forming up on the high ground, forcing the English to attack. This they successfully did, forcing the French back. The retreating French then found themselves attacked in the flank by the sallying garrison of Harfleur and retreat turned to rout. The French are said to have lost 200 men killed and 800 captured in this action. D'Armagnac later had a further 50 hanged for fleeing from the battle.