According to AFP, the Spanish Army’s emergency response forces deployed overnight near Tarragona, northeastern city of Tarragona.
The flame devoured “about 2,377 hectares of land, mainly forests.”
The protected ELS Port Natural Park accounts for 30% of affected areas, they added.
Firefighters released video footage shot from a helicopter on Monday, showing the hills wrapped in clouds of grey and orange smoke in the distance.
Firefighters said 90km/h (56mph) winds made it difficult to put out the fire overnight.
The Citizens’ Civil Protection Agency urged local residents to close doors and windows to stay at home, saying about 18,000 people were affected.
Scientists say that human-induced climate change increases the intensity, length and frequency of extreme heat that causes several forest fires.
Spain has recently been making fun of the land and smoking heat waves that have increased the risk of forest fires.
National weather agency Aemet last month said it was Spain’s hottest June record, tripling the frequency of extreme fevers over the past decade.
MA/PR