Kingsborough is a small town in the locality of Thornborough in the Shire of Mareeba, Queensland, Australia. It was part of the Hodgkinson Minerals Area.HistoryKingston Post Office opened around 1876, was renamed Kingsborough in 1877 and closed in 1924.Heritage listingsKingsborough has a number of heritage-listed sites, including: off Dimbulah-Mount Mulligan Road: General Grant Mine off former East Street (now Kingsborough-Thornborough Road): Kingsborough Battery Kingsborough-Thornborough Road: Tyrconnel Mine and Battery