Hunsbury Hill is an Iron Age hill fort two miles (3 km) south-west of the centre of the town of Northampton in the county of Northamptonshire.
It is probable that defences were built at Hunsbury Hill between the 7th and 4th centuries BC. The deep ditch excavated has survived to the present day. A wooden rampart was
also constructed; there is evidence that Hunsbury hill fort's inner ramparts were burned down and vitrified; this is rare in England.
Ironstone extraction began at the hill fort in about 1883, after an attempt to have the site protected under the Ancient Monuments Act of 1882 failed due to the cost of compensating the landowner. Many of the fort's internal features were destroyed, but the work revealed up to 300 pits which, according to the curator of Northampton Museum in 1887, contained "numerous artefacts that now comprise one of the finest collections... of Prehistoric antiquities in England". The finds included iron weapons and tools, bronze brooches, potter