 The day after Peyrestortes, General of Division Luc Siméon Auguste Dagobert was appointed commander of the Army of the Eastern Pyrenees.Desiring to take advantage of the recent victory and urged on by Representative-on-mission Claude Fabre, Dagobert decided to attack Ricardos in his camp at Trouillas.Trouillas nestles in a plain on the Canterrane stream at an altitude of about 100 meters.