Complex sentence: The Shournagh joins the Lee at Crubeen Bridge on the Lee Road, and a smaller river, the Carrig, joins the Lee at the junction under Carrigrohane Castle, and is forded by what was known as Cromwell's Bridge.
Split into simpler sentences: The Shournagh joins the Lee at Crubeen Bridge on the Lee Road. A smaller river, known as the Carrig, joins the Lee at the junction under the Carrigrohane Castle and is forded by what was known as Cromwell's Bridge.