Complex sentence: Its source is in the Sierra de Alhama in the Province of Granada, from which it drains the depression of Antequera, flowing for 166 km through southern Andalusia into the Mediterranean west of the city of Málaga.
Split into simpler sentences: Its source is in the Sierra de Alhama in the Province of Granada. It drains the depression of Antequera and flows into the Mediterranean west of the city of Málaga.