By the time the French assumed the offensive in April 1794, their army numbered 28,000 regular soldiers, 20,000 garrison troops, and 9,000 hastily trained volunteers.

[5] Immediately after their victory, they pushed the Allied army south of the Pyrenees and invested both Collioure and the Fort de Bellegarde.

The fighting took place near Sant Llorenç de la Muga, the site of a cannon ammunition foundry.

[7] The Spanish assault, carried out by 14,000 regular infantry and 6,000 provincial militia, failed to break the French defenders, who received some help from Pérignon's division in the center.

General John Forbes covered the retreat with a Portuguese division consisting of one battalion each of the 1st, 2nd, Olivença, Cascais, Peniche, and Freire de Andrade Infantry Regiments.