The attacking troops were organized into three groups plus reserves: At 1:00 pm, the French military opened fire down the line, concentrating for 45 minutes on Buzenval, Malmaison, Jonchere, and Bougival.

The left column of General Noel passed the ravine and climbed the slopes that rise to Jonchere, but they soon were halted by under heavy musket fire leaving the woods from the houses, where the Prussians waited to ambush them.

At the same time, 4 companies led by Zouaves, under orders of Commander Jacquot, were caught in the corner that forms the Park of Malmaison below the Jonchere, they were able to disengage because of the intervention from the battalion of Seine-et-Marne mobile.

Meanwhile, the snipers of the second division (commanded by Captain Favre-Biguet of the Cholletou column) rushed to Buzenval, entered it, and advanced, under the cover of the woods to the border of the Saint-Cucufa forest.

On the right, the 6th Dragoon Regiment, supported by a cavalry battery, was carried in the direction of the Seine between Argenteuil Bezons and fired cannons upon some Prussian positions.