The necropolis ofSantu Pedru rises on the homonymous hill, overlooking a fertile plain. It’smade up of ten domus de janastombs (literally “witch house” or “fairy house”), hollows cut into reddishtrachyte and tufa rocks, with an uncovered entrance corridor (dromos)and pluricellular plan. The domus de janas tombs show architectonicalelements and decorations of the living’s houses (steps, bases, cornices,lintels, semicircular roofs) and are adorned with ritual elements as falsedoors, symbol of the imperturbability of the dead’s world, bull horns, symbolof strength, fertility and apotropaic element, and some traces of red ochre painting, the colour of blood and regeneration.Tomb I, called “tetrapode vases tomb” for two well-preserved ceramic vases onfour feet, is the most important domus de janas for its dimension andrefinement. Tomb VIII preserves some traces of its conversion to church(7th-8th century) dedicated to the Saints Peter and Lucy. Nearby there is an arcosoliumtomb (burial into an arched niche) dating back to the Roman period. The nuragheSantu Pedru rises on the top of the hill, a single tower nuraghe built of roughtrachyte blocks, with the traces of an ancient village all around it. This areahad been frequented from the Late Neolithic Age (Cultura di Ozieri, 3300 BC) tothe Medieval Age (6th-7th century AD) thanks to a territory rich in water,propitious for breeding and agriculture.