Holsworthy is a tiny English market town and also civil parish in the city government district of Torridge, Devon. The county town of Exeter is 36.4 miles (58.6 kilometres) to the east. The River Deer, a tributary of the River Tamar, develops the western border of the church, which includes the village of Brandis Corner. According to the 2011 census the population of Holsworthy was 2,641. Holsworthy remains in the East of the Torridge district of Devon. Neighbouring parishes are, to the West, Pyworthy, and also Holsworthy Hamlets in various other directions. Holsworthy is 189.5 miles (305.0 km) WSW of London and also 36.4 miles (58.6 kilometres) WNW of the county town of Exeter. The community is on the intersection of the A388 and also A3072 roads. The town centre is about 140 metres (460 ft) above sea level as well as the highest point in the parish has an altitude of 144 metres (472 ft). The river Deer, a tributary of the river Tamar, develops the western border of the parish. The bedrock geology of the parish is completely of Bude Formation. This sort of Sedimentary bedrock was created in the Carboniferous duration. Every one of the parish is of Bude Development (sandstone) with the exception of a strip of Bude Development (mudstone as well as siltstone), concerning 1,600 feet (490 m) large, throughout the extreme north of the parish. The Bude Formation creates part of the Holsworthy Group.