Fernacre, also known as Fernacre stone circle or Fernacre circle, is a stone circle located on the slopes of the De Lank River, 1.25 miles (2.01 km) northeast of St Breward on Bodmin Moor in Cornwall in the United Kingdom.

St Breward is a civil parish and village in Cornwall, England, United Kingdom. It is on the western side of Bodmin Moor, about 6 miles (10 km) north of Bodmin. At the 2011 census the parish population including Cooksland and Fentonadle was 919.