The Ría de Plentzia is a picturesque estuary located in the Basque Country of Spain. It flows into the Bay of Biscay and is surrounded by lush green hills and charming coastal towns. The estuary is known for its rich biodiversity and serves as an important habitat for various marine species. The area around the Ría de Plentzia is popular for outdoor activities such as kayaking, fishing, and hiking. The nearby town of Plentzia offers beautiful beaches and a vibrant atmosphere, making it a favored destination for both locals and tourists. The estuary is also significant for its historical and cultural heritage.