The largest of the coastal rivers are the Goiana River, which is formed by the confluence of the Tracunhaem and Capibaribe-mirim, and drains a rich agricultural region in the north-east part of the state; the Capibaribe, which has its source in the Serra de Jacarara and flows eastward to the Atlantic at Recife with a course of nearly 300 miles ; the Ipojuca, which rises in the Serra de Aldeia Velha and reaches the coast south of Recife; the Serinhaen; and the Uná.