[timeout:300][out:json]; ( node(around:1000,50.36890,-4.73050)["castle_type"="fortress"][~"^(addr:housenumber|.*name.*)$"~".",i]; way(around:1000,50.36890,-4.73050)["castle_type"="fortress"][~"^(addr:housenumber|.*name.*)$"~".",i]; rel(around:1000,50.36890,-4.73050)["castle_type"="fortress"][~"^(addr:housenumber|.*name.*)$"~".",i]; node(around:1000,50.36890,-4.73050)[embankment=yes][~"^(addr:housenumber|.*name.*)$"~".",i]; way(around:1000,50.36890,-4.73050)[embankment=yes][~"^(addr:housenumber|.*name.*)$"~".",i]; rel(around:1000,50.36890,-4.73050)[embankment=yes][~"^(addr:housenumber|.*name.*)$"~".",i]; node(around:1000,50.36890,-4.73050)["fortification_type"="hill_fort"][~"^(addr:housenumber|.*name.*)$"~".",i]; way(around:1000,50.36890,-4.73050)["fortification_type"="hill_fort"][~"^(addr:housenumber|.*name.*)$"~".",i]; rel(around:1000,50.36890,-4.73050)["fortification_type"="hill_fort"][~"^(addr:housenumber|.*name.*)$"~".",i]; node(around:1000,50.36890,-4.73050)["historic"="archaeological_site"][~"^(addr:housenumber|.*name.*)$"~".",i]; way(around:1000,50.36890,-4.73050)["historic"="archaeological_site"][~"^(addr:housenumber|.*name.*)$"~".",i]; rel(around:1000,50.36890,-4.73050)["historic"="archaeological_site"][~"^(addr:housenumber|.*name.*)$"~".",i]; node(around:1000,50.36890,-4.73050)[historic=fort][~"^(addr:housenumber|.*name.*)$"~".",i]; way(around:1000,50.36890,-4.73050)[historic=fort][~"^(addr:housenumber|.*name.*)$"~".",i]; rel(around:1000,50.36890,-4.73050)[historic=fort][~"^(addr:housenumber|.*name.*)$"~".",i]; node(around:1000,50.36890,-4.73050)["site_type"="fortification"][~"^(addr:housenumber|.*name.*)$"~".",i]; way(around:1000,50.36890,-4.73050)["site_type"="fortification"][~"^(addr:housenumber|.*name.*)$"~".",i]; rel(around:1000,50.36890,-4.73050)["site_type"="fortification"][~"^(addr:housenumber|.*name.*)$"~".",i]; ); out center tags;
Prideaux Castle is a multivallate Iron Age hillfort situated atop a 133 m (435 ft) high conical hill near the southern boundary of the parish of Luxulyan, Cornwall, England, United Kingdom. It is also sometimes referred to as Prideaux Warren, Prideaux War-Ring, or Prideaux Hillfort. The site is a scheduled monument and so protected from unauthorised works by the Ancient Monuments and Archaeological Areas Act 1979.
found a single match candidate
Hill forts in Cornwall | embankment=yes, castle_type=fortress, historic=fort, fortification_type=hill_fort, historic=archaeological_site, site_type=fortification |