Upavon is a rural village and civil parish in the county of Wiltshire, England. As its name suggests, it is on the upper portion of the River Avon which runs from north to south through the village. It is on the north edge of Salisbury Plain about 4 miles south of Pewsey, 10 miles southeast of the market town of Devizes, and 20 miles north of the cathedral city o…Upavon is a rural village and civil parish in the county of Wiltshire, England. As its name suggests, it is on the upper portion of the River Avon which runs from north to south through the village. It is on the north edge of Salisbury Plain about 4 miles south of Pewsey, 10 miles southeast of the market town of Devizes, and 20 miles north of the cathedral city of Salisbury. The A345 and A342 roads run through the village.