Lanreath is a civil parish and a village in southeast Cornwall, England, United Kingdom. The village is situated five miles (8 km) west-northwest of Looe. The name Lanreath (pronounced Lanreth) means 'church (Lann) of Raydhogh' and it has been known variously as Lanreythow, Lanrathew, or Lanrethou. The village is mentioned in the Domesday Book as Lanredoch.
Lanreath parish is entirely rural in character; apart from scattered farmsteads, the only two settlements are the hamlet of Bocaddon and Lanreath village. The parish is bordered to the west by Boconnoc and St Veep parishes, to the south by Pelynt parish, to the east by Duloe parish, and to the north by St Pinnock parish.
Lanreath was part of the Liskeard Rural District from 1894 until 1974.
One of the many maps available on A Vision of Britain through Time is one from the Ordnance Survey Series of 1900 illustrating the parish boundaries of Cornwall at the turn of the 20th century. This map blows up to show all the parishes and many of the small villages and hamlets.
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