On the French side, a second, smaller fire later broke out a few km (miles) further up the coast at Argeles-sur-Mer, initially burning about 10 hectares before being brought under control, the Pyrenees-Orientales prefecture said.
Spain and southern France continued to see wildfires this past winter, with low rainfall maintaining parched conditions after last summer's severe drought.
Some districts in southern France have already introduced water restrictions and the country's geological institute has said that low groundwater reserves could herald an even worse drought this summer.