Calstock is a civil parish and also a big town in south east Cornwall, England, UK, on the boundary with Devon. The town is located on the River Tamar 6 miles (9.7 km) south west of Tavistock as well as 10 miles (16 kilometres) north of Plymouth. The parish had a population of 6,095 in the 2001 census. This had actually enhanced to 6,431 at the 2011 census. The parish encompasses 5,760 acres (23.3 km2) of land, 70 acres (0.28 km2) of water, as well as 44 acres (0.18 km2) of the tidal Tamar. Ashburton Hotel and also Danescombe Quay ignoring the River Tamar As well as Calstock, various other settlements in the parish consist of Albaston, Chilsworthy, Gunnislake, Harrowbarrow, Latchley, Metherell, Coxpark, Dimson, Drakewalls, Norris Green, Rising Sun as well as St Ann's Chapel. Calstock town is within the Tamar Valley AONB, is neglected by Cotehele house as well as gardens, and also pushes the picturesque Tamar Valley train. Calstock train station opened on 2 March 1908. The village is twinned with Saint-Thuriau in Brittany, France.