Chapel Carn Brea is an elevated Hercynian granite outcrop, owned by the National Trust at the southern edge of the civil parish of St Just, Cornwall, England, United Kingdom. The hill is 5 kilometres (3.1 mi) south of St Just and 3.5 kilometres (2.2 mi) east of Sennen Cove, and just to the north of the A30 London to Land's End road which runs through the village of Crows-an-Wra.