There are two hills in Hampshire called Beacon Hill; the other one is near Burghclere
Beacon Hill, Warnford is a 46.4-hectare biological Site of Special Scientific Interest west of Warnford in Hampshire. It is a Nature Conservation Review site, and an area of 40.1 hectares is a national nature reserve. There is a round barrow cemetery dating to the Late Neolithic or Bronze Age on the hill, and this is a scheduled monument.
Wikipedia https://en.wikipedia.org/wiki/Beacon_Hill,_Warnford
Address SO32 3, United Kingdom
Coordinates 50°59'54.276" N -1°8'33.8" E