Nuraghe Brunku Madui or Brunku Madagui is an archaic or protonuraghe built as a platform with on top a hut. It is situated on the edge of the Giara of Gesturi. Near the nuraghe are the remains of a settlement.
The nuraghe is freely accessible. It is located to the left of the entrance of the Giara di Gesturi coming from Gesturi.