Nuraghe Aiga is a complex nuraghe with bastions and three or four additional towers. The nuraghe can be accessed through a doorway on the second floor as the first floor is still completely interred. The main chamber on the first floor has three niches. Nearby there is also a Tomba di Giganti.
The nuraghe can be reached from the ss131 and sp15 direction Santu Lussurgiu, turn right on a local road where it is indicated with signs. Free access.