Complex sentence: Newlyn lies on the shore of Mounts Bay and forms a small conurbation with the neighbouring town of Penzance and is part of the Penzance civil parish, and is the southern-most town on the British mainland (though not the most southerly settlement).
Split into simpler sentences: Newlyn lies on the shore of Mount's Bay and forms a small conurbation with the neighbouring town of Penzance. It is part of the Penzance civil parish, and is the southern-most town on the British mainland (though not the most southerly settlement).