Bolton is a hamlet and the third smallest parish in East Lothian, Scotland. It lies approximately 2 miles (3.2 km) south of Haddington and 20 miles (32 km) east of Edinburgh, and is an entirely agricultural parish, 6 miles (9.7 km) long by about 1.25 miles (2.01 km) wide. The most notable buildings in the hamlet are the Parish Church, an 18th-century dovecote or "doo'cot" and the former Bolton Primary School, which now serves as the village hall.