Porthcurno is a small village covering a small valley and beach on the south coast of Cornwall, England in the United Kingdom. It is the main settlement in a civil and an ecclesiastical parish, both named St Levan, which comprise Porthcurno, diminutive St Levan itself, Trethewey and Treen. It is centred 6.6 miles west of the railway, market and resort town of Penzance and 2.5 miles from Land's End, the most westerly point of the English mainland.