The Llobregat River is one of the longest rivers in Catalonia, Spain, stretching approximately 170 kilometers. It originates in the Pyrenees mountains and flows southward, eventually emptying into the Mediterranean Sea near the city of Barcelona. The river plays a crucial role in the region's ecology and economy, providing water for agriculture and industry. The Llobregat River basin is home to diverse flora and fauna, making it an important natural habitat. Along its banks, several towns and cities, including Cornellà de Llobregat and Sant Boi de Llobregat, have developed, showcasing the river's significance to local communities.