High Quality Content by WIKIPEDIA articles! Yester Castle is a ruined castle, located 1.5 miles (2.4 km) south east of the village of Gifford in East Lothian, Scotland. The only remaining structure is the subterranean Goblin Ha` or Hobgoblin Ha` (Goblin Hall). It is a Scheduled Ancient Monument, recorded as such by the Royal Commission on the Ancient and Historical Monuments of Scotland (RCAHMS).