Río Ulla is a river located in the northwest of Spain, primarily flowing through the Galicia region. It originates in the Sierra de O Cebreiro mountains and travels approximately 130 kilometers before emptying into the Ría de Arousa, an estuary on the Atlantic coast. The river is known for its scenic landscapes and rich biodiversity. The Ulla River is significant for both its ecological and cultural importance. It supports various wildlife habitats and is a popular spot for recreational activities such as fishing and kayaking. Additionally, the river has historical relevance, as it has been a vital waterway for local communities for centuries.