Borough Hill Fort is an ancient hillfort located near Daventry in Northamptonshire, England. It dates back to the Iron Age and is believed to have been constructed around 500 BC. The fort features a series of earthworks, including ramparts and ditches, which were designed for defense. The site offers panoramic views of the surrounding countryside and is a popular spot for walkers and history enthusiasts. Archaeological findings suggest that it was an important settlement during its time, with evidence of habitation and various artifacts discovered in the area.