Woodhall Spa is a former spa town and civil parish in the East Lindsey district of Lincolnshire, England, on the southern edge of the Lincolnshire Wolds, 6 miles (10 km) south-west of Horncastle, 23 miles (37 km) west of Skegness, 15 miles (24 km) east-south-east of Lincoln and 17 miles (27 km) north-west of Boston. It is noted for its mineral springs, historic cinema and its Second World War association with the RAF 617 Squadron, commonly referred to as 'The Dambusters'.